url string | text string | date timestamp[s] | metadata string |
|---|---|---|---|
https://www.physicsforums.com/threads/mass-spectrometer-question.97202/ | # Mass Spectrometer Question!
1. Oct 28, 2005
### 123Sub-Zero
1.Some data obtained from the mass spectrum of a sample of carbon are given below.
Ion 12C+ 13C+
Absolute mass of one ion/g 1.993 x 10-23 2.158 x 10-23
Relative abundance/ % 98.9 1.1
Use the data to calculate the mass of one neutron, the RAM of 13C and th... | 2017-10-22T18:23:45 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.nag.com/numeric/nl/nagdoc_26.2/nagdoc_cl26.2/html/g01/g01dhc.html | # NAG C Library Function Document
## 1Purpose
nag_ranks_and_scores (g01dhc) computes the ranks, Normal scores, an approximation to the Normal scores or the exponential scores as requested by you.
## 2Specification
#include #include
void nag_ranks_and_scores (Nag_Scores scores, Nag_Ties ties, Integer n, const doub... | 2021-07-24T14:28:21 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 98, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://en.wikipedia.org/wiki/600-cell | # 600-cell
600-cell
Schlegel diagram, vertex-centered
(vertices and edges)
Type Convex regular 4-polytope
Schläfli symbol {3,3,5}
Coxeter diagram
Cells 600 (3.3.3)
Faces 1200 {3}
Edges 720
Vertices 120
Vertex figure
icosahedron
Petrie polygon 30-gon
Coxeter group H4, [3,3,5], order 14400
Dual 120-cell
Properties conve... | 2016-08-24T20:51:45 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 9, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://kerodon.net/tag/02UX | # Kerodon
$\Newextarrow{\xRightarrow}{5,5}{0x21D2}$ $\newcommand\empty{}$
Proposition 7.4.3.9. Let $U: \operatorname{\mathcal{E}}\rightarrow \operatorname{\mathcal{C}}$ be a cocartesian fibration of simplicial sets and let ${\bf 1}$ denote the cone point of $\operatorname{\mathcal{C}}^{\triangleright }$. Then there e... | 2022-05-24T00:30:57 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 2, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/speed-of-light-and-time-travel.15648/ | # Speed of light and Time Travel
1. Mar 3, 2004
Well, We all know about Einstein Theory of Relativity.
The speed of light is constant.
And if someone travels close to the speed of light; time goes slower than someone walking on earth etc.
Ok, this is my question. (Involves Pilots)
Ok, since pilots travel at amazin... | 2017-04-30T20:53:03 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://rspa.royalsocietypublishing.org/content/301/1464/77 | New Conduction and Reversible Memory Phenomena in Thin Insulating Films
J. G. Simmons, R. R. Verderber
Abstract
It has been observed that when thin (200 to 3000 $\overset{\circ} {\mathrm A}$) film insulators have been formed by the electrolytic introduction of gold ions from one of the electrodes they can draw appre... | 2016-02-12T20:57:12 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://jila.colorado.edu/~ajsh/bh/rn.html | # Charged Black Holes: The Reissner-Nordström Geometry
Back to Collapse to a Black Hole
Forward to The Extremal Reissner-Nordström Geometry
index | movies | approach | orbit | singularity | dive | Schwarzschild | wormhole | collapse | Reissner-Nordström | extremal RN | Hawking | quiz | home | links
Reissner-Nords... | 2019-04-23T00:44:43 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://jsmith.cis.byuh.edu/books/accounting-for-managers/s16-05-analyzing-cash-flow-informatio.html | This is “Analyzing Cash Flow Information”, section 12.5 from the book Accounting for Managers (v. 1.0). For details on it (including licensing), click here.
Has this book helped you? Consider passing it on:
Creative Commons supports free culture from music to education. Their licenses helped make this book available t... | 2017-09-26T09:12:39 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://dsp.stackexchange.com/questions/67200/how-are-pulse-trains-generated-in-a-radio-transmitter/67219 | # How are pulse trains generated in a radio transmitter?
When simulating a PSK signal in MATLAB or Python, I often create an impulse train where each impulse is modulated with a symbol. This modulated impulse train then passes through a pulse shape filter to yield the PSK signal.
However I am wondering if this is ind... | 2021-06-24T18:16:54 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/advanced-statistics/123690-probability-distributions.html | # Math Help - Probability Distributions
1. ## Probability Distributions
1) Verify f(x) = (2x)/(k(k+1)) for x = 1,2,3,...,k can serve as the probability distribution function of a random variable with the given range.
I know this has to satisfy two parts. I got the first part, where for each value in the domain, f(x)... | 2015-10-06T15:32:45 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 2, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://planetmath.org/node/32886/source | # Markov chain
## Primary tabs
\documentclass{article}
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{amsfonts}
% used for TeXing text within eps files
%\usepackage{psfrag}
% need this for including graphics (\includegraphics)
%\usepackage{graphicx}
% for neatly defining theorems and propositions
%\usepackage... | 2018-02-20T07:26:53 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.zbmath.org/?q=ai%3Ashao.yehong+ai%3Aliu.yan.4 | # zbMATH — the first resource for mathematics
Spanning cycles in regular matroids without $$M^{*}(K_{5})$$ minors. (English) Zbl 1126.05031
Summary: Catlin and Jaeger proved that the cycle matroid of a 4-edge-connected graph has a spanning cycle. This result can not be generalized to regular matroids as there exist in... | 2021-01-23T02:40:52 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://doc.cgal.org/latest/Alpha_shapes_3/index.html | CGAL 4.4 - 3D Alpha Shapes
User Manual
Assume we are given a set $$S$$ of points in 2D or 3D and we'd like to have something like "the shape formed by these points." This is quite a vague notion and there are probably many possible interpretations, the alpha shape being one of them. Alpha shapes can be used for shape ... | 2014-04-24T06:27:44 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.shaalaa.com/question-bank-solutions/find-positive-value-x-which-given-equation-satisfied-x-2-9-5-x-2-5-9-linear-equation-in-one-variable_60693 | # Find a Positive Value of X for Which the Given Equation is Satisfied: X 2 − 9 5 + X 2 = − 5 9 - Mathematics
Sum
Find a positive value of x for which the given equation is satisfied:
$\frac{x^2 - 9}{5 + x^2} = - \frac{5}{9}$
#### Solution
$\frac{x^2 - 9}{5 + x^2} = \frac{- 5}{9}$
$\text{ or }9 x^2 - 81 = - 25 - 5... | 2021-04-14T17:51:59 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://studybyyourself.com/seminar/linear-algebra/course/chapter-7-determinant/?lang=en | The theory determinant is a vast topic, so we won’t dive too much into it here.
The derterminant can be used for quickly testing whether a set of vectors are linearly dependent.
## 1. Calculation
The calculation of determinant of order 1 proceeds as follows :
The calculation of determinant of order 2 proceeds as fo... | 2019-09-23T03:50:39 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.zbmath.org/?q=an%3A0917.41019 | # zbMATH — the first resource for mathematics
A new proof of a theorem concerning the set $$\{ N^-_k (x)\}^n_{k=0}$$. (English) Zbl 0917.41019
The set $$\{N_k^-(x)\}_{k=0}^n$$ is defined on the complex plane $$\mathbb{C}$$ with $$N_k^-(x)=| x |^k$$, if $$k$$ is even and $$N_k^-(x)=x| x |^{k-1}$$, if $$k$$ is odd. Let ... | 2021-01-27T08:38:52 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://leetcode.ca/2020-07-20-1694-Reformat-Phone-Number/ | # Question
Formatted question description: https://leetcode.ca/all/1694.html
1694. Reformat Phone Number
You are given a phone number as a string number. number consists of digits, spaces ' ', and/or dashes '-'.
You would like to reformat the phone number in a certain manner.
Firstly, remove all spaces and dashes.... | 2022-05-17T17:01:40 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://freakonometrics.hypotheses.org/50786 | # “Ethics in Quantitative Finance”
Just before going to the workshop on dependencies in finance and insurance, Tim Johnson (also known as @TCJUK on Twitter), researcher at Heriot-Watt University in Edinburgh and blogger on http://magic-maths-money.blogspot, sent me a copy of his manuscript entitled Ethics in Quantitat... | 2017-06-27T01:59:20 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 2, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://financialriskforecasting.com/code/9.html | Chapter 9. Extreme Value Theory
Copyright 2016 Jon Danielsson. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at. http://www.apache.org/licenses/LICENSE-2.0. Unless required by applicable law or agree... | 2017-09-19T22:17:48 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.hpmuseum.org/forum/thread-12248-post-110972.html | (12C Platinum) Sums of Powers of N numbers
01-22-2019, 10:20 AM (This post was last modified: 01-22-2019 10:23 AM by Gamo.)
Post: #1
Gamo Senior Member Posts: 665 Joined: Dec 2016
(12C Platinum) Sums of Powers of N numbers
ALG program solution of "Sums of Powers of the Natural Numbers"
1. Arithmetic Series ( Gauss Su... | 2021-05-12T23:35:41 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://treodesktop.com/percent-error/how-to-find-percent-error-in-density.php | Home > Percent Error > How To Find Percent Error In Density
How To Find Percent Error In Density
Contents
Du kannst diese Einstellung unten ändern. Copper's accepted density is 8.96 g/cm3. The difference between the actual and experimental value is always the absolute value of the difference. |Experimental-Actual|/A... | 2018-01-16T11:36:20 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/confusion-on-application-of-definition-of-degrees-of-freedom.675801/ | # Confusion on application of definition of degrees of freedom
1. Mar 2, 2013
I am confused about the counting of degrees of freedom. Yes, I know that it is the number of vectors which are free to vary. But that definition gives way to different interpretations:
(1) the number of data points minus the number of indep... | 2017-08-22T17:44:53 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://socratic.org/questions/5810db307c0149722f8a9297 | If the sum of three consecutive integers is 9, what are the integers?
Oct 26, 2016
Consecutive integers are $2$, $3$ and $4$
Explanation:
Let the consecutive integers be $x$, $x + 1$ and $x + 2$.
As their sum is $9$, we have
$x + x + 1 + x + 2 = 9$
or $3 x + 3 = 9$
or $3 x = 9 - 3 = 6$
Hence, x=6×1/3=2
and co... | 2021-11-30T13:07:08 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 14, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://mpotd.com/26/ | Albert’s function $V(x)$ be defined as $V(x) \equiv 1\cdot 1! + 3\cdot 2! + 5\cdot 3! + \cdots + (2x – 1)\cdot x! \pmod{1000}$ when $0 \le V(x) < 1000$. Find the smallest integer $n$ such that $V(n) = V(p)$ when $p < n$ and $p$ is also an integer. | 2017-10-18T00:17:52 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://puzzling.stackexchange.com/questions/18402/pairs-of-numbers | # Pairs of numbers
You wake up in a cell after a party. You just remember the beginning of the night: you talked to your friends, you drank some alcohol, and then you blacked out.
You stand up and look around you: you are in a small empty room with no window and a door locked with a numeric keypad.
You approach the k... | 2019-11-14T19:27:17 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.shaalaa.com/question-bank-solutions/arc-chord-properties-if-two-arcs-subtend-equal-angles-center-they-are-equal-its-converse-the-given-figure-shows-circle-centre-o-such-that-chord-rs-parallel-chord-qt-angle-prt-20-angle-poq-100-calculate-iv-angle-str_38635 | Share
# The Given Figure Shows a Circle with Centre O Such that Chord Rs is Parallel to Chord Qt, Angle Prt = 20° and Angle Poq = 100°. Calculate: (Iv) Angle Str - ICSE Class 10 - Mathematics
ConceptArc and Chord Properties - If Two Arcs Subtend Equal Angles at the Center, They Are Equal, and Its Converse
#### Quest... | 2019-10-14T18:56:46 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://newsgroups.derkeiler.com/Archive/Comp/comp.text.tex/2006-07/msg00865.html | # Re: LaTeX Q: Nullify A Custom Environment?
Randy Yates wrote:
....
I have defined a comment environment,
....
Now I'd like to redefine the environment definition so that the
comment environment text is "nullified" (i.e., removed).
Any suggestions on how to do this?
....
If you "nullify" stuff which is numbered, c... | 2013-12-08T13:50:56 | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://questioncove.com/updates/582d0418e4b093340004c4a2 | OpenStudy (beststudent):
A person expends $240 in the purchase of wheat. If he had paid 20 cents a bushel less he could have obtained 100 bushels more for the same money. How many bushels did he buy? OpenStudy (beststudent): @happyvirus Can you help me? OpenStudy (happyvirus): 1200 bushels because 240 divided by .20 i... | 2017-08-22T16:49:51 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://leanprover-community.github.io/archive/stream/113489-new-members/topic/Christopher.20Hoskin.html | ## Stream: new members
### Topic: Christopher Hoskin
#### Christopher Hoskin (Dec 22 2020 at 16:36):
Hello, I'm a new member. I've recently started learning lean, and so far have mostly been able to solve my own problems. However, here is something that has me stumped:
import algebra.module.linear_map
universes u
... | 2021-05-08T18:45:41 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.gradesaver.com/textbooks/math/calculus/calculus-8th-edition/chapter-2-derivatives-2-3-differentiation-formulas-2-3-exercises-page-140/8 | ## Calculus 8th Edition
$H'(u) = 6u+5$
$H(u) = (3u-1)(u+2)$ Product Rule $H'(u) = (3u-1)(1) + (3)(u + 2)$ Simplify $H'(u) = 3u-1+3u+6$ Simplify $H'(u) = 6u+5$ | 2019-06-20T08:18:44 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://gaselectricity.in/global-entropy-solutions-to-multi-dimensional | ## Global entropy solutions to multi-dimensional isentropic gas dynamics with spherical symmetry request pdf gas in stomach
################
We are concerned with spherically symmetric solutions to the Euler equations for the multi-dimensional compressible fluids, which have many applications in diverse real physical... | 2019-07-18T03:16:36 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://dsp.stackexchange.com/questions/37690/white-noise-dc-component | # White noise DC component
I'm really new to DSP, I'm actually studying Computer Science and took an elective on DSP so my knowledge is pretty limited.
I've learned that pure white noise signal for example has all possible frequencies, that means that it also has zero frequency so it has a non zero DC component(does ... | 2019-11-15T12:21:39 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://engineering.stackexchange.com/questions/42266/why-and-how-are-resonance-frequencies-of-a-system-dependent-upon-the-shape-mass | # Why and how are resonance frequencies of a system dependent upon the shape, mass and the way it is constrained?
I was reading a general overview on the frequencies before conducting a modal analysis for my structure using ANSYS, in hopes of obtaining the natural frequencies for my structure. I read in some article t... | 2021-06-25T07:33:02 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://ccssmathanswers.com/into-math-grade-7-module-12-lesson-2-answer-key/ | # Into Math Grade 7 Module 12 Lesson 2 Answer Key Make Inferences from a Random Sample
We included HMH Into Math Grade 7 Answer Key PDF Module 12 Lesson 2 Make Inferences from a Random Sample to make students experts in learning maths.
## HMH Into Math Grade 7 Module 12 Lesson 2 Answer Key Make Inferences from a Rand... | 2022-12-09T09:48:43 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://artisan-maole.fr/hisense-fridge/kernel-and-range-of-linear-transformation-calculator | of L and the dimension of the rang of L Discussion. Range T is a subspace of W. Proof 1. float:none; If you want to find nullspace of matrix for random values, then click on the generate matrix. Find $\ker(T)$, and $\textrm{rng}(T)$, where $T$ is the linear transformation given by, $$T:\mathbb{R^3} \rightarrow \mathbb{... | 2023-03-23T09:05:25 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 2, "mathjax_display_tex": 2, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.prepanywhere.com/prep/textbooks/calculus-and-vectors-nelson/chapters/chapter-2-derivatives/materials/mid-chapter-review-upto-product-rule | Mid Chapter Review upto Product Rule
Chapter
Chapter 2
Section
Mid Chapter Review upto Product Rule
Solutions 36 Videos
a. Sketch the graph of \displaystyle f(x)=x^{2}-5 x
b. Calculate the slopes of the tangents to \displaystyle f(x)=x^{2}-5 x at points with \displaystyle x -coordinates \displaystyle 0,1,2, \ldots, ... | 2021-09-18T01:11:22 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://codegolf.stackexchange.com/questions/255425/generate-recursive-arrays-up-to-a-certain-depth | # Generate recursive "arrays" up to a certain depth
Given a positive integer n.
Generate a JSON array (can be a string, or your language's built-in JSON representation as long as we can get valid JSON, (your code does not need to include outputting the string, you can just use the built-in JSON representation)) conta... | 2023-03-24T02:24:52 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.hydrol-earth-syst-sci.net/23/4909/2019/ | Journal topic
Hydrol. Earth Syst. Sci., 23, 4909–4932, 2019
https://doi.org/10.5194/hess-23-4909-2019
Hydrol. Earth Syst. Sci., 23, 4909–4932, 2019
https://doi.org/10.5194/hess-23-4909-2019
Research article 02 Dec 2019
Research article | 02 Dec 2019
# Groundwater influence on soil moisture memory and land–atmosphere... | 2019-12-16T01:14:32 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 24, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://annals.math.princeton.edu/1982/116-1 | Volume 116, Issue 1 – July 1982
## Strongly pseudoconvex CR structures over small Balls. Part II. A regularity theorem
Pages 1-64 by Masatake Kuranishi
## The image of $J$ in the $EHP$ sequence
Pages 65-112 by Mark Mahowald
## Regular tessellations of surfaces and $(p,q,2)$-triangle groups
Pages 113-132 by Allan ... | 2021-09-24T21:12:27 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://bird.bcamath.org/handle/20.500.11824/1/browse?type=subject&value=Navier+Stokes%2C+distributional+solutions | Now showing items 1-1 of 1
• Some remark on the existence of infinitely many nonphysical solutions to the incompressible Navier-Stokes equations
(2018-10)
We prove that there exist infinitely many distributional solutions with infinite kinetic energy to both the incompressible Navier-Stokes equations in $\mathbb{R}... | 2022-12-03T22:40:40 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://dsp.stackexchange.com/tags/unit-delay/hot?filter=year | # Tag Info
You are right that a distributed system could be "something like a transmission line". Note that the system $$y(t)=x(t-T)\tag{1}$$ is a simple model of a transmission line, where just a frequency-independent delay $T$ is taken into account, and the attenuation is neglected. Note that lumped electrical syste... | 2021-01-28T03:17:14 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://physics.stackexchange.com/questions/589671/lagrangian-of-a-free-particle-in-special-relativity-and-equivalence-between-mass | # Lagrangian of a free particle in Special Relativity and equivalence between mass and energy
I am a bit confused on the way Landau derives the Lagrangian of the free particle in SR (L. Landau, E. Lifshitz - The Classical Theory of Fields) and his conclusions about the equivalence between mass and energy.
He claims t... | 2022-01-26T13:00:41 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://eight2late.wordpress.com/category/predictive-analytics/ | # Eight to Late
Sensemaking and Analytics for Organizations
## The dark side of data science
Data scientists are sometimes blind to the possibility that the predictions of their algorithms can have unforeseen negative effects on people. Ethical or social implications are easy to overlook when one finds interesting n... | 2017-01-23T00:34:38 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 32, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://www.physicsforums.com/threads/parametric-problem.222716/ | # Parametric problem
Question:
If f is a vector-valued function defined by f(t)=(e^(-t), cos(t)), find f''(t).
I'm not even quite sure how to start.
Any help would be loved! Thank you!
Related Calculus and Beyond Homework Help News on Phys.org
Ok, let me clarify. I attempted to take the derivative of each separate ... | 2019-12-07T09:29:16 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://docs.astropy.org/en/latest/api/astropy.modeling.powerlaws.BrokenPowerLaw1D.html | # BrokenPowerLaw1D¶
class astropy.modeling.powerlaws.BrokenPowerLaw1D(amplitude=1, x_break=1, alpha_1=1, alpha_2=1, **kwargs)[source]
One dimensional power law model with a break.
Parameters: amplitude : float Model amplitude at the break point. x_break : float Break point. alpha_1 : float Power law index for x < x_... | 2019-02-20T23:42:39 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathoverflow.net/questions/115675/a-curious-inequality | # A curious inequality
Let $r_k>0$ for $k = 1,\ldots, n$, let $\alpha_k, \beta_k\in \mathbb{R}$ be given such that $|\alpha_k|\le \beta_k\le \frac{\pi}{2}$. Suppose further that $\left|\sum\limits_{k=1}^nr_ke^{i(\alpha_k+\epsilon_k\beta_k)}\right|\le 1$ for all choices $\epsilon_k=\pm1$. How to prove $$\sum\limits_{k=... | 2014-04-17T04:18:58 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.gradesaver.com/textbooks/math/precalculus/precalculus-6th-edition-blitzer/chapter-7-mid-chapter-check-point-page-853/19 | ## Precalculus (6th Edition) Blitzer
Published by Pearson
# Chapter 7 - Mid-Chapter Check Point - Page 853: 19
#### Answer
$x=55^{\circ}$ and $y=35^{\circ}$.
#### Work Step by Step
Step 1. Using the right triangle given in the exercise, we have $x+y=90$ or $x=90-y$ degrees. Step 2. A straight line has an angle of... | 2023-03-31T09:07:58 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://www.rise-associates.com/kjikdmn/5l0ifm.php?page=09ab98-class-9-number-system-mcq-question | Exercise 1.1: Multiple Choice Questions (MCQs) Question 1: Every rational number is (a) a natural number (b) an integer (c) a real number (d) a whole number Solution: (c) Since, real numbers are the combination of rational and irrational numbers. A rational number between 4/7 and 5/7 is ————-A. Students are advised to ... | 2021-07-23T18:22:15 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://stats.stackexchange.com/questions/500248/probability-distribution-of-training-set-t-in-bishops-pattern-recognition-book | # Probability distribution of training set t in Bishop's pattern recognition book
I'm currently struggling with understanding the Bayesian approach to machine learning. Which is one of the paradigms presented in Bishop Pattern Recognition and Machine Learning. Since some parameters that influence the posterior distrib... | 2021-03-02T01:45:54 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/general-term-of-the-sequence-if-it-exists.67151/ | # General term of the sequence, if it exists
1. Mar 13, 2005
### relinquished™
Hello. I've been having such a hard time thinking of the general term of this "Sequence". Actually, I'm not even sure if this is a sequence at all, but it looks like it can be simplified into one summation symbol.
$$\frac{-2}{6}, \frac{-2... | 2018-12-14T05:14:45 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/calculus/22102-derivative-absolute-value.html | # Thread: Derivative of an absolute value
1. ## Derivative of an absolute value
How do I find f'(x) of f(x) = |x+3| -1?
2. Originally Posted by unluckykc
How do I find f'(x) of f(x) = |x+3| -1?
Hello,
write f without absolute values:
$f(x) = |x+3| - 1 = \left\{\begin{array}{lr}x+3-1, & x \geq -3 \\ -(x+3)-1, & x<-... | 2017-05-27T13:04:11 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 2, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mylongevityrocks.com/2g0d2/11976f-area-worksheets-with-answers-pdf | Videos and Worksheets; Primary; 5-a-day. After students have learned how to find the area of different shapes then they can practice these mixed problems of finding areas. Printable Math Worksheets @ www.mathworksheets4kids.com Name : Score : Measure the length of each bar. Welcome to the Math Salamanders Area workshee... | 2021-09-22T20:23:20 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://redcrab-software.com/en/Calculator/Finance/PercentValue | # Online Calculator - Percent value
Calculation of the percentage of a base value and a given interest rate
## Percent value online calculator
The percentage calculator calculates the percent value of a starting or base amount and a percentage.
For example, what is the percentage value if the base amount is 200 and... | 2020-11-29T16:02:24 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/general-solution-to-pde.733162/ | General solution to PDE
1. Jan 16, 2014
Jhenrique
Hellow everybody!
A simple question: exist a general formulation, a solution general, for a PDE of order 2 like:
$au_{xx}(x,y)+2bu_{xy}(x,y)+cu_{yy}(x,y)+du_x(x,y)+eu_y(x,y)+fu(x,y)=g(x,y)$
?
The maple is able to calculate the solution, however, is a *monstrous* so... | 2018-01-23T12:44:26 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://clay6.com/qa/40085/find-the-equations-of-the-lines-which-cut-off-intercepts-on-the-axes-whose- | # Find the equations of the lines, which cut-off intercepts on the axes whose sum and product are 1 and – 6, respectively
$\begin {array} {1 1} (A)\;2x-3y+6=0\: and \: 3x-2y-6=0 & \quad (B)\;2x+3y-6=0 \: and \: 3x+2y+6=0 \\ (C)\;2x-3y-6=0 \: and \: 3x-2y+6=0 & \quad (D)\;2x-3y-6=0 \: and \: 3x-2y-6=0 \end {array}$
• ... | 2017-08-18T06:58:14 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 2, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/calculus/33102-boundary-condition.html | ## boundary condition
What should be the boundary condition that we must take while solving a linear advection equation while the initial condition like u(x,0)=-sin(pi*x) and its domain being bound between [-1,1]......... | 2017-03-30T07:15:50 | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://en.wikipedia.org/wiki/Dihedral_symmetry | Dihedral group
(Redirected from Dihedral symmetry)
Jump to: navigation, search
A snowflake has Dih6 dihedral symmetry, the same as a regular hexagon.
In mathematics, a dihedral group is the group of symmetries of a regular polygon, including both rotations and reflections.[1] Dihedral groups are among the simplest ex... | 2014-12-27T06:15:56 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 27, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://www.physicsforums.com/threads/normal-distribution.298165/ | # Normal distribution
1. Mar 8, 2009
### 6021023
1. The problem statement, all variables and given/known data
Assume X is normally distributed with a mean of 10 and a standard deviation of 2. Determine the value for x that solves P(x < X < 10) = 0.2
2. Relevant equations
P(X < x) = P(Z < z) = P(Z < (x - mean)/std... | 2018-03-23T15:36:18 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://cdn.rawgit.com/mathjax/MathJax/2.7.1/test/sample-autoload.html | This page makes \cancel, \bcancel, \xcancel, and \cancelto all be defined so that they will load the cancel.js extension when first used.
Here is the first usage: $$\cancel{x+1}$$. It will cause the cancel package to be loaded automatically. | 2017-07-27T14:35:19 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.neetprep.com/video-class/6914---Work-done-Isothermal-Reversible-Expansion?subjectId=54&chapterId=650 | You’ve reached the end of your free Videos limit.
#9 | Work done in Isothermal Reversible Expansion
(Chemistry) > Thermodynamics
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Related Practice Questions :
When an ideal gas is compressed adiabatically and reversibly, the final temperature is:
(a) higher than the... | 2020-05-31T06:01:10 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 1, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/non-contractibility-of-a-set.624788/ | # Non-contractibility of a set
Consider the unit ball $B:=B_1(0)\subset \mathbb{R}^2$. How can one prove that the set $B\times B \setminus D$, where $D:=\left\{(x, x)\biggr| x \in B\right\}$ is the diagonal, is non-contractible? Is it even disconnected? Thank you in advance.
quasar987
Homework Helper
Gold Member
It i... | 2021-12-07T03:54:35 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.gradesaver.com/textbooks/math/calculus/calculus-early-transcendentals-8th-edition/chapter-5-section-5-3-the-fundamental-theorem-of-calculus-5-3-exercises-page-400/38 | ## Calculus: Early Transcendentals 8th Edition
$\frac{e^2-1}{2e}$
$\int^1_0 cosh (t) dt$ The first step is to integrate cosh(t). (Remember that $\int^b_a cosh(x)dx = sinh(x)|^b_a$ and $sinh(x) = \frac{e^x - e^{-x}}{2}$): $= [sinh(t)]|^1_0$ $= (\frac{e^t - e^{-t}}{2})|^1_0$ Next step is to plug in the limits of integra... | 2018-09-19T23:00:59 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://socratic.org/questions/5896f6897c0149513867df3a | # How many calcium atoms are present in a mass of 169*g of this metal?
Feb 5, 2017
$\text{Number of atoms}$ $= \text{Mass"/"Molar mass"xx"Avogadro's number.}$
#### Explanation:
By definition, $40.1 \cdot g$ of calcium atoms contains $\text{Avogadro's number of molecules}$. We specify this quantity as $1 \cdot m o l... | 2020-06-06T08:12:53 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 11, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://socratic.org/questions/how-does-concentration-affect-sn2-reactions | # How does concentration affect SN2 reactions?
Jan 9, 2015
Increasing the concentration of either the nucleophile or the substrate increases the reaction rate.
In an $\text{S"_"N} 2$ reaction, one bond is broken and another bond is formed at the same time.
Consider the reaction of hydroxide ion with chloromethane.
... | 2023-03-27T16:21:18 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 2, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.libretexts.org/Courses/Mount_Royal_University/MATH_3200%3A_Mathematical_Methods/Summary_Tables/Summary_of_Convergence_Tests |
# Summary of Convergence Tests
## Summary of Convergence Tests
Divergence Test
For any series $$\sum^∞_{n=1}a_n$$, evaluate $$\lim_{n→∞}a_n$$.
If $$\lim_{n→∞}a_n=0$$, the test is inconclusive. This test cannot prove convergence of a series.
If $$\lim_{n→∞}a_n≠0$$, the series diverges.
Geometric Series $$\sum^∞_{n... | 2020-10-23T11:33:17 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://itprospt.com/num/19115656/a-farmer-has-2400-feet-of-wire-to-build-a-rectangular-or | 5
# A farmer has 2400 feet of wire to build a rectangular or square pen that encloses the maximum area: If the farmer wants to place two (2) lines of wire on each side,...
## Question
###### A farmer has 2400 feet of wire to build a rectangular or square pen that encloses the maximum area: If the farmer wants to pla... | 2022-08-11T18:41:42 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://proofwiki.org/wiki/Abelian_Group_of_Order_Twice_Odd_has_Exactly_One_Order_2_Element | # Abelian Group of Order Twice Odd has Exactly One Order 2 Element
## Theorem
Let $G$ be an abelian group whose identity element is $e$.
Let the order of $G$ be $2 n$ such that $n$ is odd.
Then there exists exactly one $g \in G$ with $g \ne e$ such that $g = g^{-1}$.
## Proof 1
By Abelian Group Factored by Prime,... | 2021-10-20T23:46:29 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://socratic.org/questions/what-is-the-square-root-of-50-times-the-square-root-of-10 | # What is the square root of -50 times the square root of -10?
Sep 9, 2015
$\sqrt{- 50} \cdot \sqrt{- 10} = - 10 \sqrt{5}$
#### Explanation:
This is slightly tricky, since $\sqrt{a} \sqrt{b} = \sqrt{a b}$ is only generally true for $a , b \ge 0$.
If you thought it held for negative numbers too then you would have ... | 2019-11-15T17:26:32 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 15, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://projecteuclid.org/eBooks/institute-of-mathematical-statistics-lecture-notes-monograph-series/Dynamics-amp-Stochastics/chapter/Nearly-integrable-perturbations-of-the-Lagrange-top--applications-of/10.1214/074921706000000301 | Translator Disclaimer
VOL. 48 | 2006 Nearly-integrable perturbations of the Lagrange top: applications of KAM-theory
J. Hoo, H. W. Broer, H. Hanssmann, V. Naudot
Editor(s) Dee Denteneer, Frank den Hollander, Evgeny Verbitskiy
## Abstract
Motivated by the Lagrange top coupled to an oscillator, we consider the quasi-p... | 2021-06-18T20:37:00 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://socratic.org/questions/5840149311ef6b1222f37196 | # Question 37196
Dec 5, 2016
19 amu
#### Explanation:
The mass number of the normal isotope of Florine is 19 amu.
Florine 9 has 9 positive protons.
To be stable Florine normally has 10 neutrons.
Both protons and neutrons have a mass of 1 amu so
9 + 10 = 19 | 2019-12-12T17:19:59 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mymathforum.com/algebra/345572-i-would-like-some-help-factoring-quadratic-equations-leading-coefficients.html | My Math Forum I would like some help with factoring quadratic equations with leading coefficients.
Algebra Pre-Algebra and Basic Algebra Math Forum
January 3rd, 2019, 06:17 AM #2 Global Moderator Joined: Dec 2006 Posts: 20,370 Thanks: 2007 You were given correct advice. If, given ax² + bx + c, you find m and n su... | 2019-03-20T16:00:35 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://share.cocalc.com/share/5d54f9d642cd3ef1affd88397ab0db616c17e5e0/www/wiki/10(2f)480b(2f)pkg.html?viewer=share | Sharedwww / wiki / 10(2f)480b(2f)pkg.htmlOpen in CoCalc
Author: William A. Stein
10/480b/pkg
[top] [TitleIndex] [WordIndex]
# The Sage Distribution
## A Monolithic Distribution
Sage is:
1. A self-contained distribution of software
2. A new (rather large) Python/Cython program that ties it all
• together and provid... | 2019-09-23T07:02:05 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://math.stackexchange.com/questions/128592/evaluating-int-frac1x-sqrtx4-4-dx | # Evaluating $\int \frac{1}{x\sqrt{x^4-4}} dx$
I am having trouble evaluating $$\int \dfrac{1}{x\sqrt{x^4-4}} dx$$
I tried making $a = 2$, $u = x^{2}$, $du = 2x dx$ and rewriting the integral as: $$\dfrac{1}{2} \int \dfrac{du}{\sqrt{u^2-a^2}}$$ But I believe something is not right at this step (perhaps when changing ... | 2014-09-20T18:36:37 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathcentral.uregina.ca/QQ/database/QQ.09.10/h/megan1.html | SEARCH HOME
Math Central Quandaries & Queries
Question from Megan, a student: Hi there, I'm working on factoring polynomials but this question has me quite puzzled.. im a college student in my first year. (x^2-a^2/xy)(xy/x+a) I don't understand after you factor the separate brackets, how you multiply the numerator by... | 2017-11-21T15:48:44 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 2, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://keisan.casio.com/exec/system/14059932105271 | Inverse regression Calculator
Analyzes the data table by inverse regression and draws the chart.
Inverse regression: $y=A+{\large \frac{B}{x}}$
（input by clicking each cell in the table below） data 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit
Guidelines for interpreting corr... | 2019-05-22T11:11:03 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 2, "/images/mat... |
https://socratic.org/questions/how-do-you-solve-abs-2x-6-12 | # How do you solve abs(2x - 6) = 12?
Apr 8, 2018
$x = - 3 , 9$
#### Explanation:
$2 x - 6 = 12 \mathmr{and} 2 x - 6 = - 12$
$2 x = 18 \mathmr{and} 2 x = - 6$
$x = 9 \mathmr{and} x = - 3$
Apr 8, 2018
$x = - 3 \text{ or } x = 9$
#### Explanation:
$\text{the expression inside the absolute value can be positive}$... | 2020-03-30T04:09:59 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 22, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://mathoverflow.net/feeds/question/63974 | Is every homology theory given by a spectrum? - MathOverflow most recent 30 from http://mathoverflow.net 2013-06-18T04:55:59Z http://mathoverflow.net/feeds/question/63974 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/63974/is-every-homology-theory-given-by-a-spectrum Is every h... | 2013-06-18T04:55:59 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/another-question-on-ranks-linear-algebra.154779/ | # Another question on ranks (linear algebra).
Gold Member
i need to prove that for A square matrix: rank AA^t=rank A.
well rank AA^t<=rank A, but how do i show that rankAA^t>=rankA, i mean i need to show if x is a solution of AA^tx=0 then x is a solution of Ax=0 or of A^tx=0, but how?
You are trying to show that the ... | 2021-12-02T09:41:32 | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://socratic.org/questions/571248037c01496c24c9a390 | # What do we call the process when oxygen gas reacts with a SINGLE electron?
${O}_{2} \left(g\right) + {e}^{-} \rightarrow {O}_{2}^{-}$
Dioxygen has gained or accepted an electron; therefore, by definition it has been REDUCED. If you draw out the Lewis structure of this ${O}_{2}^{-}$ species, one of the oxygen atoms i... | 2020-09-21T16:13:17 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 2, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.nature.com/articles/s41524-022-00850-3 | Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles an... | 2022-08-12T10:20:21 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 2, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://cstheory.stackexchange.com/questions/20278/testing-empty-set-intersection | # Testing empty set intersection
Consider the following empty intersection problem:
INPUT: a ground set $[n]:=\{1, \ldots, n\}$; a set family $S_1, \ldots, S_m$ s.t. $S_i\subseteq [n]$ for every $1\leq i\leq m$
TASK: on query $X\subseteq [n]$ decide whether there exists $1\leq i\leq m$ s.t. $S_i\cap X = \emptyset$.
T... | 2021-04-23T08:10:43 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/discrete-math/136116-recursion-help.html | 1. ## Recursion help.
I have a general question about recursion. When you're either evaluating a recursive definition like:
$f(0) = 1, f(1) = 0, f(2) = 2, f(n) = 2f(n-3)$ for $n\geq3$
and trying to find a general formula for $f(n)$
or trying to give a recursive definition for a formula like:
$a_n = n(n+1)$
Is the... | 2017-04-24T04:48:06 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 6, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.stackexchange.com/questions/3186595/finding-the-angle-between-a-line-and-a-plane | # Finding the angle between a line and a plane
Given that the equation of the line is:
$$\mbox{P:}\quad \left\{\begin{array}{rcrcrcr} 3x & - & y & + & z & = & 6 \\ x & + & 2y & + & z & = &-3 \end{array}\right.$$
$$\mbox{and the plane is A:}\quad x + 2y + z = 5.$$
I believe you need to find the vector and use it to ... | 2019-05-22T02:44:39 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.stackexchange.com/questions/676322/does-lim-sup-x-n1-x-n-infty-implies-lim-dfracnx-n-0 | Does $\lim \sup x_{n+1}-x_n=+\infty \implies \lim \dfrac{n}{x_n}=0$
If $(x_n)$ is a real sequence such that $\lim \sup x_{n+1}-x_n=+\infty$ , then must we have $\lim \dfrac{n}{x_n}=0$ ?
• $1, 2^1,2,2^2,3,2^3,\ldots$ is a counterexample. – David Mitra Feb 14 '14 at 13:25
• @DavidMitra: Do you mean $x_{2n-1}=n$ and $x_... | 2021-05-12T07:54:09 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/partial-differentiation-and-partial-derivatives.740061/ | # Partial differentiation and partial derivatives
1. Feb 23, 2014
### Tabiri
1. The problem statement, all variables and given/known data
If $xs^2 + yt^2 = 1$ (1) and $x^2s + y^2t = xy - 4,$ (2) find $\frac{\partial x}{\partial s}, \frac{\partial x}{\partial t}, \frac{\partial y}{\partial s}, \frac{\partial y}{\par... | 2017-10-24T11:54:06 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 2, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://math.stackexchange.com/questions/454325/how-to-define-an-interior-point-in-terms-of-epsilon-balls | # How to define an interior point in terms of $\epsilon$-balls?
Which is the technically correct definition?
I) An interior point of a set $B$ is a point that is the centre of some $\epsilon$-ball in $B$.
II) An interior point of a set $B$ is a point that is in a set $A\subset B$ in which every point is the centre o... | 2016-05-27T12:29:57 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/spin-and-isotope-shift.1003590/ | # Spin and isotope shift
• I
kelly0303
Hello! The isotope shift for an atomic transition is usually parameterized as:
$$\delta\nu = K\frac{m_1m_2}{m_1-m_2}+F\delta<r^2>$$
where ##m_{1,2}## are the masses of the 2 isotopes, ##\delta<r^2>## is the change in the mean square charge radius between the 2 isotopes and K an... | 2023-03-30T02:16:58 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/calculus/84385-help-setting-up-bonds-triple-integral.html | # Math Help - Help with setting up bonds in a triple integral
1. ## Help with setting up bonds in a triple integral
Hi,
Here is the problem i am working on...
evaluate the triple integral ∫ xy dV where E is the solid tetrahedron with vertices (0,0,0), (6,0,0), (0,1,0) and (0,0,7).
I sketched the region and got the ... | 2016-02-13T13:59:32 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 2, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://egtheory.wordpress.com/2012/01/31/asymptote-detection/ | Testing for asymptotes and stability
“When should I stop my simulation?” is one of the basic questions that comes up frequently when working with simulations. The question is especially relevant when you are running hundreds or thousands of trials. If the parameter settings are well understood, then sometimes you migh... | 2015-03-26T22:25:14 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 30, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://codeforces.com/problemset/problem/886/E | E. Maximum Element
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output
One day Petya was solving a very interesting problem. But although he used many optimization techniques, his solution still got Time limit exceeded verdict. Petya conducted a thorough analys... | 2020-10-28T18:09:56 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://arxiver.moonhats.com/category/high-energy-astrophysical-phenomena/page/2/ | # Entrainment in Superfluid Neutron Star Crusts: Hydrodynamic Description and Microscopic Origin [HEAP]
In spite of the absence of viscous drag, the neutron superfluid permeating the inner crust of a neutron star cannot flow freely, and is entrained by the nuclear lattice similarly to laboratory superfluid atomic gase... | 2017-07-26T08:43:51 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://eigen.tuxfamily.org/dox-devel/classEigen_1_1Reshaped.html | Please, help us to better know about our user community by answering the following short survey: https://forms.gle/wpyrxWi18ox9Z5ae9
Eigen 3.4.99 (git rev 10c77b0ff44d0b9cb0b252cfa0ccaaa39d3c5da4)
Eigen::Reshaped< XprType, Rows, Cols, Order > Class Template Reference
## Detailed Description
### template<typename Xp... | 2021-03-02T11:27:10 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.stackexchange.com/questions/1779687/definition-of-greatest-lower-bound-least-upper-bound | # Definition of Greatest Lower Bound / Least Upper Bound
I have recently went through the definition of the Greatest Lower Bound (GLB) and Least Upper Bound (LUB) and I was somewhat confused with regards to the definition of the GLB in this book of mine.
For any Greatest Lower Bound of $S$, $m$:
$$glb(S)=m\iff [(\fo... | 2019-09-16T06:56:39 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.vedantu.com/formula/photon-energy-formula | Photon Energy Formula
Photon Energy Formula in Detail
Do you know what is a photon? Well!! Light emits a packet of energy, these chunks are photons and each photon carries its own energy, which is the photon energy.
The formula of energy of photon helps calculate the energy carried by each photon, which is given as:... | 2022-05-26T20:57:10 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.aimsciences.org/article/doi/10.3934/cpaa.2006.5.395 | # American Institute of Mathematical Sciences
June 2006, 5(2): 395-413. doi: 10.3934/cpaa.2006.5.395
## Smoothing transformation and piecewise polynomial projection methods for weakly singular Fredholm integral equations
1 Institute of Applied Mathematics, University of Tartu, Liivi 2, 50409 Tartu, Estonia, Estoni... | 2020-12-04T15:06:44 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://cea.ceaj.org/EN/abstract/abstract33114.shtml | ### Research on time and frequency offset estimation algorithm for LTE cell search
SUN Huinan1, YU Yongzhi2, XING Yanchen1, DING Wenfei1
1. 1.School of Electronic?and Information Engineering, Harbin Huade University, Harbin 150025, China
2.School of Information and Communication Engineering, Harbin Engineering Univer... | 2022-05-28T06:35:13 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.stackexchange.com/questions/2334533/how-to-find-the-generating-function-of-the-following-problem | # How To Find the Generating Function of the Following Problem
I need to find the generating function of the following problem:
$d_n$ (for every natural number $n$) is the number of combinations to put coins into an automatic machine whereas the sum of the coins is $n$. There are coins of 1,10 and 25 cents and the am... | 2019-04-26T14:22:53 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.atmos-meas-tech.net/12/1513/2019/ | Journal cover Journal topic
Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
Journal topic
Atmos. Meas. Tech., 12, 1513-1530, 2019
https://doi.org/10.5194/amt-12-1513-2019
Atmos. Meas. Tech., 12, 1513-1530, 2019
https://doi.org/10.5194/amt-12-1513-2019
Research ar... | 2019-03-25T06:34:08 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 11, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://serpent.vtt.fi/mediawiki/index.php?title=Transient_simulations&diff=5653&oldid=4030 | # Difference between revisions of "Transient simulations"
This page outlines the usage instructions for the methodology in Serpent to conduct time dependent simulations starting from a criticality source. These capabilities have been developed for transient calculations starting from a known critical system in steady ... | 2022-08-08T14:22:32 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 21, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://www.artemisia.na.it/p70dd/discrete-probability-distribution-calculator-4d0fc4 | The possible values of $X$ are $0,1,2,\cdots, 9$. a. 3. Poisson Distribution The probability that the last digit of the selected number is 6, \begin{aligned} P(X=6) &=\frac{1}{10}\\ &= 0.1 \end{aligned}, b. \end{aligned} $$, Now, Variance of discrete uniform distribution X is,$$ \begin{aligned} V(X) &= E(X^2)-[E(X)]^2\... | 2023-02-04T02:09:25 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
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