url string | text string | date timestamp[s] | metadata string |
|---|---|---|---|
https://math.stackexchange.com/questions/1952949/almost-sure-convergence-of-a-n-to-infty-implies-pa-nn-text-i-o-0 | # Almost sure convergence of $A_n \to \infty$ implies $P(A_n<N \text{ i.o.})=0$
Given $A_n\rightarrow \infty$ almost surely (a.s). Show that $\forall\ N > 0$, $P\left\{A_n<N\ \text{infinitely often}\right\} = 0$.
My thought: By the sake of contradiction, assume there exists an $\infty> N >0$ such that $P\left\{A_n<N\... | 2019-10-15T01:02:01 | {"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://data.library.virginia.edu/post-hoc-power-calculations-are-not-useful/ | # Post Hoc Power Calculations are Not Useful
It is well documented that post hoc power calculations are not useful (Goodman and Berlin 1994, Hoenig and Heisey 2001, Althouse 2020). Also known as observed power or retrospective power, post hoc power purports to estimate the power of a test given an observed effect size... | 2021-11-28T14:16:15 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://chuckleplant.github.io/2017/05/28/light-shafts.html | This post is greatly based on the Nvidia GPU Gem on volumetric light scattering. Here I walk you through the formulae and core concepts. I highly recommend reading that one instead, and come back only if you couldn’t follow, or for fun.
If you’re unfamiliar with computer graphics, I highly recommend you to watch John ... | 2022-08-14T18:45:38 | {"extraction_info": {"found_math": true, "script_math_tex": 9, "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://openstudy.com/updates/5079cb03e4b035d9313546c9 | ## smile.im.here. Group Title solve; x=b-cd, for c 2 years ago 2 years ago
1. micahwood50
Isolate c.
2. vipul92
c=b-x/d
3. micahwood50
$\Huge c = \frac{b - x}{d}$
4. smile.im.here.
i got x+b/-d=c but that doesnt really make any sence to me
5. micahwood50
Can you show me your work so we can show you what mista... | 2014-11-24T05:25:55 | {"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://tex.stackexchange.com/questions/447991/how-draw-axes-figure-with-tikz-using-mathematicians-axes | # How draw axes & figure with TikZ using "mathematician's axes"?
Typically when drawing a 3D figure on paper (or a black/white board), a mathematician draws the z-axis to point due north on the page, the y-axis to point due east, and the x-axis to point due southwest (as if coming out of the page). And then the 3D obj... | 2022-05-28T03:30:46 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.meritnation.com/ask-answer/question/a-magnetic-needle-free-to-rotate-in-a-vertical-plane-orients/magnetism-and-matter/7100098 | a magnetic needle free to rotate in a vertical plane, orients itself vertically at a certain place on earth. what are the values of horizontal component of earth's mag field and angle of dip at that place?
At the two magnetic poles, the magnetic needle rests vertically.
Hence, at poles,
As, Horizontal component, H= R ... | 2021-05-06T22:28:43 | {"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://undergroundmathematics.org/calculus-trig-log/stretching-an-integral | ### Calculus of Trigonometry & Logarithms
The graph of the function $y=\dfrac{1}{x^2}$ is stretched as shown in this diagram.
If the graph is stretched by a factor of $b$ in the $x$-direction (as shown), what is the equation of the resulting graph?
And if, instead, the original graph is stretched by a factor of $c$ in... | 2019-01-16T05:08:44 | {"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... |
https://math.stackexchange.com/questions/935743/how-to-get-the-ratio-from-a-function-of-n | # How to get the ratio from a function of N?
The exercise gave us a chart which showed the running time as a $N$ increases:
\begin{array}{c|c} N & \text{seconds}\\\hline 256 & 0.000\\ 512 & 0.000\\ 1024 & 0.002\\ 2048 & 0.009\\ 4096 & 0.042\\ 8192 & 0.175\\ 16384 & 0.788\\ 32768 & 3.440\\ 65536 & 15.010\\ 131072 & 65... | 2019-06-27T12:37:07 | {"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://doc.sagemath.org/html/en/reference/power_series/sage/rings/power_series_pari.html | # Power series implemented using PARI#
EXAMPLES:
This implementation can be selected for any base ring supported by PARI by passing the keyword implementation='pari' to the PowerSeriesRing() constructor:
sage: R.<q> = PowerSeriesRing(ZZ, implementation='pari'); R
Power Series Ring in q over Integer Ring
sage: S.<t> ... | 2022-12-05T17:50:18 | {"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": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://runestone.academy/runestone/static/thinkcspy/IntroRecursion/intro-VisualizingRecursion.html | # 15.5. Visualizing Recursion¶
Some problems are easy to solve using recursion; however, it can still be difficult to find a mental model or a way of visualizing what is happening in a recursive function. This can make recursion difficult for people to grasp. In this section we will look at using recursion to draw som... | 2017-11-23T11:06:33 | {"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://brilliant.org/problems/till-infty-cant-be-determined/ | # Till infinity, can't be determined
Logic Level 3
If we write down all positive multiples of 6, we get the sequence
$6, 12, 18, 24, 30, \ldots$
What is the 1000th digit that is written down?
As an explicit example, the 5th digit that is written is 8, which came from 18.
× | 2018-09-21T10:52:26 | {"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... |
https://everything.explained.today/Involution_(mathematics)/ | # Involution (mathematics) explained
In mathematics, an involution, involutory function, or self-inverse function[1] is a function that is its own inverse,
for all in the domain of . Equivalently, applying twice produces the original value.
The term anti-involution refers to an involution which is also an antihomomo... | 2023-03-27T22:25:52 | {"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://stats.stackexchange.com/questions/212264/is-the-margin-of-error-for-a-survey-a-fake-statistic | # Is the margin of error for a survey a “fake” statistic?
When I conduct a survey for a client, they are often very concerned about the margin of error for the survey, and that’s totally reasonable. Oftentimes however, when they say, “We want a margin of error of +/- 5%,” what they really mean is, “We expect that ever... | 2019-05-20T07:20:53 | {"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... |
http://tex.stackexchange.com/questions/53545/use-text-data-as-mark-labels-in-pgfplots | # Use text data as mark labels in pgfplots
I have a table with numerical data and text in different columns, like this:
0 0 0.1
1 0 \pi
2 0 \frac{\pi}{2}
I'd like to put text labels on a plot using the text in the third column at the position given by the first two columns (I need to overlay these text ... | 2014-07-31T15:52:21 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://apok.batam.go.id/v7m8pguk/470306-order-of-differential-equation-example | The order of a differential equation is the order of the highest derivative included in the equation. Example (i): $$\frac{d^3 x}{dx^3} + 3x\frac{dy}{dx} = e^y$$ In this equation, the order of the highest derivative is 3 hence, this is a third order differential equation. In order to understand the formation of differe... | 2021-04-17T15:24:25 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/calculus/156830-sum-infinite-series-clarification.html | # Math Help - sum of infinite series (clarification)
1. ## sum of infinite series (clarification)
I have a series from n=1 to infinity of
n/(4^n).
Can this convert into a geometric series? and so how?
2. Originally Posted by guyonfire89
I have a series from n=1 to infinity of
n/(4^n).
Can this convert into a geome... | 2015-12-02T06:45:40 | {"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": 0, "img_math": 0, "codecogs_latex": 8, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://labs.tib.eu/arxiv/?author=Chris%20G.%20Antonopoulos | • ### Evaluating performance of neural codes in model neural communication networks(1709.08591)
Oct. 17, 2018 q-bio.NC
Information needs to be appropriately encoded to be reliably transmitted over physical media. Similarly, neurons have their own codes to convey information in the brain. Even though it is well-known t... | 2019-10-22T05:11:48 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://stats.stackexchange.com/questions/30247/how-to-assess-repeatability-of-multivariate-and-method-specific-outcomes/30556 | # How to assess repeatability of multivariate and method-specific outcomes?
Method "A" describes biological samples using multivariate "fingerprints" that consist of about 30 different variables. Different variables show different typical distribution and many of them closely correlate one with another. From prior exp... | 2013-12-09T23:41:35 | {"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://cran.microsoft.com/snapshot/2020-07-02/web/packages/plsmselect/vignettes/plsmselect.html | # The plsmselect package
## 1. Introduction
Generalized Additive Models (GAMs) are characterized by a linear predictor that can be broken down into a sum of a linear term (the $$X\beta$$ term) and a smooth term (the $$\sum_j f_j(x_j)$$ term). The goal of plsmselect is to provide a flexible interface for parameter est... | 2023-03-26T10:49:49 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://mathspace.co/textbooks/syllabuses/Syllabus-929/topics/Topic-18983/subtopics/Subtopic-256025/ | United States of AmericaPA
High School Core Standards - Algebra I Assessment Anchors
# 1.04 Review: Exponents and radicals
Lesson
## Exponents
An exponent (or power) is a small number placed in the upper right-hand corner (superscript) of another number to indicate how many times the base number is being multiplied... | 2022-01-17T16:49:32 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://marcofrasca.wordpress.com/tag/conference/ | ## The XV Workshop on Statistical Mechanics and nonperturbative Field Theory
25/09/2011
This week I was in Bari as the physics department of that university organized a major event: SM&FT 2011. This is a biennial conference having the aims to discuss recent achievements in fields as statistical mechanics and quantum ... | 2020-07-07T23:27:53 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 3, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://www.phy.olemiss.edu/~luca/Topics/qft/mirrors.html | Mirrors in Quantum Field Theory
In General > s.a. vacuum [focusing of fluctuations]; {for mirrors in optics, see optical technology}.
* Idea: The effects produced by mirrors in quantum field theory are due to the boundary conditions they impose on the fields.
Effect of a Mirror on a Thermal State
* Result: It is inte... | 2019-09-17T08:46:57 | {"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": 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/572531/computing-distance-and-standarization-of-features | # Computing distance and standarization of features
Intro: suppose we have $$n$$ observations with $$m$$ features, represented by a $$n\times m$$-matrix $$X$$, and two specific points $$x,y\in\mathbb{R}^m$$, and we are interested in distances between $$X$$ and $$x,y$$, respectively. Since the features may be of differ... | 2023-03-25T04:51:36 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://academic.oup.com/carcin/article-lookup/doi/10.1093/carcin/23.3.381 | ## Abstract
One form of defence against cancer development involves a series of genes whose role is to metabolize and excrete potentially toxic compounds and to repair subtle mistakes in DNA. Much laboratory and epidemiological research over the past decade has concentrated on the identification of these genes and an ... | 2017-02-24T07:10:45 | {"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": 2, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.vojtech.net/posts/monty-hall-simulation | # Monty Hall Problem Simulation in Python
Monty Hall problem is an interesting statistical problem. It first appeared in 1975 and the original version of this question is following1:
"Suppose you're on a game show, and you're given the choice of three doors: Behind one door is a car; behind the others, goats. You pic... | 2023-01-27T00:57:49 | {"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.jobilize.com/course/section/the-big-challenge-happy-maths-1-numbers-by-openstax?qcr=www.quizover.com | # Happy maths 1: numbers
Page 1 / 5
Happy Math 1: Numbers, by Mala Kumar
©Pratham Books, 2007 First Edition 2007Illustrations: Angie&Upesh ISBN 978-81-8263-906-5Registered Office: PRATHAM BOOKSNo.633/634, 4th “C” Main, 6th ‘B’ Cross, OMBR Layout, Banaswadi,Bangalore- 560043.&080 - 25429726 / 27 / 28 Regional Office... | 2021-05-16T15:03:35 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 4, "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.physicsforums.com/threads/e-y-e-y-2x-or-e-2y-2xe-y-1-0-equation.89339/ | # E^y + e^-y =2x or e^2y - 2xe^y + 1 = 0 equation
1. Sep 16, 2005
### thenewbosco
In this textbook i am looking at it says:
"Thus e^y + e^-y =2x or
e^2y - 2xe^y + 1 = 0"
how did they go from the first to the second part?
2. Sep 16, 2005
### Hurkyl
Staff Emeritus
Well, look at pieces of the equation and see if ... | 2017-05-01T04:33:23 | {"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/geometry/279486-parabola-equation.html | 1. ## parabola equation
Sir,
Whether
ax2 + by2 +cxy + dx + ey + f = 0
could represent a parabola.
If so,
whether I can find vertex, focus, directrix, axis of parabola, length of latus rectum, etc.
How to find the same.
with warm regards,
Aranga
2. ## Re: parabola equation
Are there any restrictions on a, b, ... | 2018-07-18T18:34:30 | {"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://phys.libretexts.org/TextBooks_and_TextMaps/College_Physics/Book%3A_College_Physics_(OpenStax)/34%3A_Frontiers_of_Physics/34.5%3A_Complexity_and_Chaos | $$\require{cancel}$$
# 34.5: Complexity and Chaos
Much of what impresses us about physics is related to the underlying connections and basic simplicity of the laws we have discovered. The language of physics is precise and well defined because many basic systems we study are simple enough that we can perform controll... | 2018-12-18T15:44:24 | {"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... |
http://blog.makerstorage.com/precise-temperature-measurement/ | I have been working on precise temperature measurement for 3D printers for a while. Not only correct measurement is enough but you must also keep the desired temperature constant in order to get great 3D Printing results. Let's talk first about the correct and precise measurement. There are couple of sensors that you c... | 2017-04-28T08:07:41 | {"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... |
http://www.chegg.com/homework-help/questions-and-answers/assuming-resolution-electron-microscope-equal-de-broglie-wavelength-electrons-used-speed-m-q1541927 | Assuming that the resolution of an electron microscope is equal to the de Broglie wavelength of the electrons used, to what speed must the electrons be accelerated to obtain a resolution of 0.30 {\rm nm}? | 2014-12-27T20:56:03 | {"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://www.ams.org/bookstore?fn=20&arg1=conmseries&ikey=CONM-372 | New Titles | FAQ | Keep Informed | Review Cart | Contact Us Quick Search (Advanced Search ) Browse by Subject General Interest Logic & Foundations Number Theory Algebra & Algebraic Geometry Discrete Math & Combinatorics Analysis Differential Equations Geometry & Topology Probability & Statistics Applications Ma... | 2015-11-25T12:41:23 | {"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://tex.stackexchange.com/questions/184767/display-math-and-tabular | Display math and tabular
I'm pretty new to latex and having some trouble. I have multiple math formulas which I'd like to organize on the page. i used:
\begin{tabular}{p{6cm}p{6cm}}
$...$ & $...$\\
\end{tabular}
for this. The problem is the following one: the first formula has different indent depending on its own ... | 2019-08-21T04:50:25 | {"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": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://myassignments-help.com/2022/11/17/quantum-mechanics-dai-xie-phys3040-2/ | # 物理代写|量子力学代写quantum mechanics代考|PHYS3040
## 物理代写|量子力学代写quantum mechanics代考|Golden Rule
Now, as previously, we are in a position to iterate these equations and obtain a power series in $H^{\prime}$. Since the r.h.s. of Eqs. (5.12) is already linear in $H^{\prime}$, we can just make use of our previous coefficients $c... | 2022-11-28T18:59:32 | {"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": 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/1859512/number-of-k-times-n-matrices-of-rank-k | # Number of $k\times n$ matrices of rank $k$
How can I determine the number of $k\times n$ matrices with entries in $\mathbb F_p$ with rank $k$ (of course $k<n$)
The formula if $k=n$ is $(p^n-1)(p^n-p)\dots(p^n-p^{n-1})$, now how can I modify this ?
If I pick any $k$ columns of $n$, and apply the formula, and let th... | 2022-01-20T02:36:49 | {"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/the-end-of-stars.422143/ | The End of Stars?
1. Aug 13, 2010
Angry Citizen
I'm collecting information to write a science fiction novel set very, very far into the future. Without going into the plot, it attempts to explore concepts of isolation, eternity, and the collapse of the universe itself (modeled on the Big Freeze cosmological theory).... | 2018-06-17T23:35:44 | {"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": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://learnshareit.com/stem-and-leaf-plot-in-r/ | # Stem And Leaf Plot In R
Today, we will learn how to create a stem and leaf plot in the R programming language. So, follow this article to know how to plot it.
## What is the Stem and Leaf plot in R?
A Stem and Leaf plot is a frequency with which specific values may occur. It essentially consists of a mechanism for... | 2023-03-28T20:27:06 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.quantumstudy.com/what-is-the-gravitational-self-energy-of-a-thin-hollow-sphere-of-mass-m-and-radius-r/ | # What is the gravitational self energy of a thin hollow sphere of mass M and radius R ?
Q: What is the gravitational self energy of a thin hollow sphere of mass M and radius R ?
(a) $-\frac{G M^2}{R}$
(b) $-\frac{G M^2}{2 R}$ –
(c) $-\frac{G M^2}{\sqrt{2} R}$
(d) $-\frac{2 G M^2}{R}$ | 2022-07-04T11:28:11 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://quantumcomputing.stackexchange.com/tags/superconducting-quantum-computing/new | # Tag Info
Distinguishing $X$ and $Z$ errors is easy. $X$ errors anti-commute with the $Z$-type stabilizers, and so when you perform a measurement of those parity checks, you get and answer '1'. Similarly, $Z$ errors give you a '1' answer only on the $X$-type parity checks. Also, note that, in the bulk (i.e. not on th... | 2020-01-25T08:32:42 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://dsp.stackexchange.com/tags/algorithms/hot | # Tag Info
23
You can use logarithms to get rid of the division. For $(x, y)$ in the first quadrant: $$z = \log_2(y)-\log_2(x)\\ \text{atan2}(y, x) = \text{atan}(y/x) = \text{atan}(2^z)$$ Figure 1. Plot of $\text{atan}(2^z)$ You would need to approximate $\text{atan}(2^z)$ in range $-30 < z < 30$ to get your required... | 2021-06-23T09:29:10 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://planetcalc.com/8108/?license=1 | homechevron_rightStudychevron_rightMathchevron_rightGeometry
Is a point in a triangle?
The calculator determines if an arbitrary point lies inside 2D triangle. The triangle is defined by 3 cartesian coordinate pairs.
This content is licensed under Creative Commons Attribution/Share-Alike License 3.0 (Unported). That... | 2020-10-20T02:51:35 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 2, "/images/mat... |
https://zbmath.org/?q=an:0595.35067 | ## An explicit determination of the Petrov type N space-times on which the conformally invariant scalar wave equation satisfies Huygens’ principle.(English)Zbl 0595.35067
The linear hyperbolic partial equation $$g^{ab} u_{;ab}+A^ a u_{,a}+C u=0$$ for a function u on the n-dimensional Lorentz space with $$n\geq 4$$ and... | 2023-03-24T19:22:49 | {"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://quant.stackexchange.com/questions/60894/is-there-a-way-using-matrix-algebra-to-add-portfolios-to-a-covariance-matrix-of | # Is there a way using matrix algebra to add portfolios to a covariance matrix of assets?
What I want to do is the following:
Let's say I have two assets 1 and 2, and have a 2x2 covariance matrix.
Then I have two portfolios A and B made of weights from assets 1 and 2.
What I would like to do is create a 4x4 covaria... | 2021-04-20T19:29:40 | {"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://www.doubtnut.com/question-answer-physics/starting-from-the-origin-at-time-t-0-with-initial-velocity-5hatj-ms-1-a-particle-moves-in-the-x-y-pl-642612146 | Home
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# Starting from the origin at time t = 0 , with initial velocity 5hatj "ms"^(-1) , a particle moves in the x - y plane with a constant acceleration of (10hati+4hatj)ms^(-2) . At time t , its coordinates are (... | 2023-01-30T22:07:40 | {"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://mathoverflow.net/questions/375984/checking-the-uniform-denseness-of-a-set-in-c0-1-mathbbr2 | # Checking the uniform denseness of a set in $C([0, 1], \mathbb{R}^2)$
Let $$\lambda:[0, 1]\to \mathbb{R}$$, and $$b_{1j}, b_{2j}:[0, 1] \to \mathbb{R}$$, $$j = 1, \ldots, m$$ be smooth functions. Consider the following two sets
\begin{align*} S_1 &= \left\{ \begin{bmatrix} P(\lambda)b_{1j} \\ P(\lambda)b_{2j} \end{b... | 2023-03-20T15:46:18 | {"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://kunigami.blog/category/programming/python/ | # Python Coroutines
In this post we’ll cover Python coroutines. First we’ll study David Beazley’s great tutorial [1] to learn about generators and coroutines, and how to build a multitask system from the ground-up.
Goddess Durga – source: Flickr
We’ll then take a look at a Python module called asyncio which makes us... | 2020-06-03T17:12:45 | {"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": 1, "img_math": 9, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.stackexchange.com/questions/2589050/what-is-the-acceleration-of-the-given-wedge/2593904#2593904 | # What is the acceleration of the given wedge?
Hi could anyone help me see my error, thanks.
There is a diagram so I've attached the question as an image:
Picture of question
Here's my attempt:
Resolving forces vertically:
$100g + 6g\,cos(30) = N$
and as we are given $F=\frac{N}{7}$ so we have
$F=\frac{g}{7}(10... | 2022-01-17T10:19:21 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://gamedev.stackexchange.com/questions/141061/translating-yaw-degrees-into-2d-movement | # Translating yaw degrees into 2D movement
I've been hitting my head on the wall for a while with this, and I'm almost sure I'm overcomplicating it.
I have a variable for yaw in degrees (and also pitch and roll, but those should be irrelevant). I want to turn that variable into normalized 2D movement, so the distance... | 2019-12-07T03:39:59 | {"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://math.stackexchange.com/questions/68366/how-can-there-be-an-element-in-a-group-such-that-a2-e-but-a-neq-e | # How can there be an element in a group such that $a^2 = e$, but $a \neq e$?
I'm rather confused. Two of the questions I'm on assume two elements such that $a^2 = b^2 = e$ (identity), but $a \not= b$. Isn't this impossible? Shouldn't they both be the identity?
If $a^2 = e$, then $a = a^{-1}$. Same for $b$.
Then $aa... | 2015-05-26T09:54:00 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://planetmath.org/BurnsidePqTheorem | # Burnside $p$-$q$ theorem
Any group whose order is divisible by only two distinct primes is solvable. (These two distinct primes are the $p$ and $q$ of the title.)
It follows that if $G$ is a non-abelian finite simple group, then $|G|$ must have at least three distinct prime divisors.
Title Burnside $p$-$q$ theorem... | 2018-11-18T03:55:40 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 8, "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://brilliant.org/problems/great-pi/ | # Great $$\pi$$
Geometry Level 2
True or false:
There may be the perimeter of a regular polygon whose sides are rational numbers to be equal to the perimeter of a circle(circumference) of radius 1.
× | 2017-09-21T21:05:28 | {"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/binomial-discrete.261234/ | # Binomial discrete?
1. Oct 2, 2008
### Enjoicube
Ok, so after a little discussion with my discrete math teacher today, he sent me on a little "quest". Here is how it happened:
The topic we were covering was set theory, and as I had been studying very basic combinatorics the night before, I noticed something about ... | 2018-07-17T04:30:15 | {"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://openreview.net/forum?id=r1xwBU5Vwr | ## Applications of a disintegration transformation
Sep 22, 2019 Submission readers: everyone
• Keywords: disintegration, probabilistic programming, density, MCMC
• TL;DR: Conditioning, density, and MCMC sampling via disintegration
• Abstract: We describe examples of applying a disintegration transformation on probabil... | 2020-08-04T23:41:46 | {"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://www.reddit.com/r/math/comments/1pum8p/i_wrote_a_poem_which_is_a_proof_of_the/cd6cg3g | you are viewing a single comment's thread.
[–] 39 points40 points (23 children)
sorry, this has been archived and can no longer be voted on
Yes
The haiku, if you don't want to click (mobile or what not):
Top prime's divisors
Product (plus one)'s factors are ...?
Q.E.D. bitches!
[–]Applied Math 17 points18 point... | 2014-12-23T05:03:59 | {"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://www.math.toronto.edu/courses/apm346h1/20159/PDE-textbook/Chapter13/S13.3.html | 13.3. Properties of eigenfunctions
## 13.3. Properties of eigenfunctions
### Base state
We assume that $\Omega$ is connected domain. Consider the lowest eigenvalue $\lambda_1$ and a corresponding eigenfunction $u_1$.
Theorem 1. Let $\Omega$ be a connected domain. Then
1. Eigenfunction $u_1$ does not change its si... | 2017-12-17T06:00:59 | {"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... |
http://mickopedia.org/mickify?topic=TeX | # TeX
Developer(s) Donald Knuth 1978; 44 years ago 3.141592653 / February 2021; 1 year ago WEB/Pascal Cross-platform Typesettin' Permissive free software tug.org
Filename extension .mw-parser-output .monospaced{font-family:monospace,monospace} .tex application/x-tex [a] 1978; 44 years ago Document file format
TeX (/t... | 2022-07-01T13:11:17 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 8, "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.buycbdoilohio.com/what-is-the-summation-of-the-series-1361015/ | # What is the summation of the series 1,3,6,10,15,….?
• I am not a good photographer… I tried my best in getting these pictures clicked clearly to the best possible extent……Hope it helps..☺
Alright, looking at this series, see how the amount by which each term increases is one more than the previous term’s amount?
A... | 2022-11-29T04:00:23 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 29, "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://seminarios.impa.br/visualizar?id=7367 | Para receber por e-mail novas publicações de Seminário de Teoria de Representações, Clique Aqui!
Seminários do IMPA
Teoria de Representações
Título Chiral (Factorization) Homology Expositor Reimundo Heluani IMPA Data Sexta-feira, 23 de fevereiro de 2018, 17:00 Local Sala 347 Resumo
The purpose of this minicurse is... | 2019-03-22T02:09:47 | {"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://ec.gateoverflow.in/2358/gate-ece-2006-question-50 | 4 views
A signal $m(t)$ with bandwidth $500 \mathrm{~Hz}$ is first multiplied by a signal $g(t)$ where
$g(t)=\sum_{\mathrm{R}=-\infty}^{\infty}(-1)^{k} \delta\left(t-0.5 \times 10^{-4} k\right)$
The resulting signal is then passed through an ideal lowpass filter with bandwidth $1 \; \mathrm{kHz}$. The output of the lo... | 2022-10-01T18:22:26 | {"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": 2, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://arcsecond.wordpress.com/tag/math-education/ | ## Posts Tagged ‘math education’
### My Brown Big Spiders
March 21, 2011
Professor: You have to learn to be able to play it blindfolded. The page, for God’s sake! The notes!
David: I’m sorry I was, uh, forgetting them, Professor.
Professor: Would it be asking too much to learn them first?
David: And-And then forg... | 2017-06-25T08:52:06 | {"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": 31, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://api-project-1022638073839.appspot.com/questions/what-is-the-variance-of-5-19-20-5-16-7-1 | # What is the variance of {-5, 19, -20, 5, 16, -7, 1}?
Dec 16, 2015
Population Variance: ${\sigma}_{\text{pop.}}^{2} = 157.92$
Sample Variance: ${s}_{\text{pop.}}^{2} = 183.24$
#### Explanation:
Variance is calculated based on
the sum of
$\textcolor{w h i t e}{\text{XXX}}$the squares of
$\textcolor{w h i t e}{\text... | 2021-12-07T09:43:55 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 6, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://www.ams.org/mathscinet-getitem?mr=2604568 | MathSciNet bibliographic data MR2604568 20G35 Nesterov, V. V.; Stepanov, A. V. An identity with constants in a Chevalley group of type \$F\sb 4\$$F\sb 4$. (Russian) Algebra i Analiz 21 (2009), no. 5, 196--202; translation in St. Petersburg Math. J. 21 (2010), no. 5, 819–823 Article
For users without a MathSciNet licen... | 2016-07-28T02:58:06 | {"extraction_info": {"found_math": true, "script_math_tex": 1, "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://mathforums.com/tags/acceleration/ | # acceleration
1. ### How do I find the total acceleration in a pendulum?
The problem is as follows: The diagram from below shows a pendulum. It is known that the magnitude of the tension of the wire is five times of that the weight of the sphere which is attached to. Acording to this information indicate True or Fal... | 2020-04-06T19:19:18 | {"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://math.stackexchange.com/questions/2071941/the-reasoning-behind-the-mex-function | # The reasoning behind the mex() function
Trying to bite the bullet and finally understand this theorem for my own good, as it comes up a lot in number theory games.
I understand that in an impartial game, the xor operator is a convenient way to assess win and loss states because of these two facts:
1. Every move fr... | 2019-08-22T18:07:55 | {"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://zbmath.org/?q=an:1102.82010 | ## Edge-reinforced random walk on a ladder.(English)Zbl 1102.82010
In the paper an edge-reinforced random walk on the ladder $$\mathbb Z\times \{1, 2\}$$ is considered. The edges are undirected. They are assigned time-dependent random weights, with all initial edge weights equal to some constant $$a >0.$$ In each step... | 2022-10-01T21:18:00 | {"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": 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/advanced-algebra/189220-using-gauss-jordan-elimination-problem.html | # Math Help - Using Gauss Jordan Elimination for a problem
Three people play a game in which there are always two winners and one loser. They have the understanding that the loser gives each winner an amoutn equal to what the winner already has. After threegames, each has lost just once and each has $24. With how much... | 2015-11-30T07:22:59 | {"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://math.stackexchange.com/questions/3295011/why-can-i-use-number-1-in-taylor-series-arctan | Why can I use number 1 in Taylor series arctan?
Why can I use number 1 in Taylor series arctan? Taylor serie arctan: $$\sum_{n=1}^{\infty}(-1)^n \frac{x^{2n+1}}{2n+1}$$
• Your question is unclear. – Fred Jul 16 at 17:57
• Do you mean: why can $x$ be $1$? If so because that is within its radius of convergence. – badjo... | 2019-08-22T01:22:20 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://study91.co.in/aptitude/problems-on-trains | India’s No.1 Educational Platform For UPSC,PSC And All Competitive Exam
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Problems on Trains
1.A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
Explanation:
Solution:
$\begin{array}{rl}& \text{Speed}=\left(60×\frac{5}{18}\right)\text{m/sec}=\left(\f... | 2020-02-26T12:22:29 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 9, "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://jnfcwt.or.kr/journal/article.php?code=53249 | • For Contributors +
• Journal Search +
Journal Search Engine
ISSN : 1738-1894(Print)
ISSN : 2288-5471(Online)
Journal of Nuclear Fuel Cycle and Waste Technology Vol.15 No.2 pp.117-124
DOI : https://doi.org/10.7733/jnfcwt.2017.15.2.117
# Density of Molten Salt Mixtures of Eutectic LiCl-KCl Containing UCl3, CeCl3, or L... | 2018-09-19T01:59:12 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 2, "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/calculus/6939-another-integral-print.html | # another integral
• Oct 27th 2006, 10:12 PM
scorpion007
another integral
Find an antiderivative of $\frac{2+6x}{\sqrt{4-x^2}}$
Now I know it has something to do with arcsin, but I'm not exactly sure what i can do to clean up that numerator...
• Oct 27th 2006, 10:54 PM
CaptainBlack
Quote:
Originally Posted by scorpi... | 2016-09-25T22:06:42 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 12, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://xvda.incommunity.it/ewma-var-excel.html | 6 Cumulative Sum (CUSUM) and Exponentially Weighted Moving Average (EWMA) Charts 326 ; 7. Here, we provide the definition of the EWMA, what the formula looks like, and how to calculate it. However, there seems to be a trend upwards for the last 5 periods. I was recently asked to write a survey on copulas for financial ... | 2020-08-11T19:22:55 | {"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://openmx.ssri.psu.edu/thread/2583?q=thread/2583 | # Paths appear to be fixed to 1.000 when fitting the structural model in Stage 2.
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Paths appear to be fixed to 1.000 when fitting the structural model in Stage 2.
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Dr. Mike,
I am running multiple structural models and... | 2017-07-22T10:46:42 | {"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": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://math.stackexchange.com/questions/141727/why-this-extension-doesnt-contain-a-subextension-of-degree-2 | # why this extension doesn't contain a subextension of degree 2?
Consider the polynomial $f(x)=x^4+6x^3+32x^2+17x-15$ and let $\alpha\in\mathbb{C}$ be a root of $f$. How can I show that $\mathbb{Q}(\alpha)$ has no subfield of degree 2 over $\mathbb{Q}$? I have an hint: consider the Galois group of $f$ over $\mathbb{F}... | 2014-08-21T12:38:37 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/advanced-algebra/187884-isomorphism-between-a4-z2-x-s3.html | # Math Help - Isomorphism between A4 and Z2 X S3
1. ## Isomorphism between A4 and Z2 X S3
Show that $A_4$ and $\mathbb{Z}_2$ X $S_3$ are not isomorphic.
Be grateful for help.
I note in passing that both groups have order 12 so in that sense they potentially could be isomorphic. Further, they are both non-abelian so... | 2015-05-04T11:47:56 | {"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": 0, "codecogs_latex": 21, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://planetmath.org/hornclause | # Horn clause
In logic, a is a clause (a disjunction of literals) with at most one positive literal. A Horn clause with exactly one positive literal is a definite clause; a Horn clause with no positive literals is sometimes called a goal clause, especially in logic programming. A Horn formula is a conjunctive normal f... | 2018-03-20T15:56:21 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 2, "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://bestfitnessandhealth.com/i2lgh/right-inverse-proof-fb2990 | Not all functions have inverse functions. then we must solve the equation y = (2x + 8)3 for x: Thus the inverse function f −1 is given by the formula, Sometimes, the inverse of a function cannot be expressed by a formula with a finite number of terms. Since f −1(f (x)) = x, composing f −1 and f n yields f n−1, "undoing... | 2021-08-02T18:44:00 | {"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": 2, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.degruyter.com/document/doi/10.1515/jgth-2018-0160/html | # Fixed-point subgroups of GL3(𝑞)
John Cullinan
From the journal Journal of Group Theory
## Abstract
Let V be a vector space over a field k. We call a subgroup GGL(V) a fixed-point subgroup if det(1-g)=0 for all gG. Let q be a power of a prime. In this paper, we classify the fixed-point subgroups of GL3(q).
## 1 I... | 2022-11-26T10:13:55 | {"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://mathhelpforum.com/advanced-algebra/56140-a1xa1-root-system-lie-algebra.html | ## A1xA1 root system of a Lie algebra
Hi all,
I've just started learning Lie algebra and got confused by the A1xA1 root system, which consists of the roots α, β, -α, and -β with <α,β>=0 so α and β form a right angle. There are 2 generators for this algebra, e1 and e2 and the algebra is of infinite dimension since the... | 2015-11-30T15:23:26 | {"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://math.stackexchange.com/questions/403408/finitely-generated-subfield-of-algebraic-closure-of-the-finite-field-with-p-el | # finitely generated subfield of algebraic closure of the finite field with $p$ elements
Let $\mathbb{F}^{\operatorname{alg}}_p$ be the algebraic closure of the finite field with $p$ elements.
I know that any finitely generated subfield of $\mathbb{F}^{\operatorname{alg}}_p$ is contained in some finite sub-union $\di... | 2019-11-20T04:13:50 | {"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/how-do-you-solve-by-factoring-n-2-2n-24-0 | # How do you solve by factoring n^2+ 2n -24 =0?
Jan 10, 2017
See full process for solving the problem below:
#### Explanation:
You need to play with multiples of 24 (1x24, 2x12, 3x8, 4x6) for the constant term which add to $2$ for the $n$ term to factor:
$\left(n + 6\right) \left(n - 4\right) = 0$
We can now solv... | 2020-05-29T01:20:34 | {"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... |
https://math.stackexchange.com/questions/3217407/conflicting-unilateral-and-bilateral-tests-how-to-proceed | # Conflicting unilateral and bilateral tests. How to proceed?
Suppose I have $$H_0: \beta = 0$$ vs $$H_1: \beta \neq 0$$. My data tells me that I don't reject the null, with a p-value of approximately 0.06.
Then out of curiosity, since by the scientific theory one would expect $$\beta<0$$, I test $$H_0: \beta \geq 0$... | 2019-06-19T11:01:58 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.gradesaver.com/textbooks/math/precalculus/precalculus-6th-edition-blitzer/chapter-1-section-1-4-linear-functions-and-slope-concept-and-vocabulary-check-page-212/5 | Precalculus (6th Edition) Blitzer
RECALL: Slope is rise over run. $\left(\dfrac{rise}{run}\right)$. A horizontal line has no $(zero)$ rise since the points all belong to the same horizontal line. Note that zero divided by any non-zero number is equal to zero. Thus, a horizontal line has a slope of zero. | 2018-08-18T18:50:00 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://or.stackexchange.com/questions/6175/how-to-deal-with-a-decision-variable-in-the-objective-function-that-depends-on-i/6178 | # How to deal with a decision variable in the objective function that depends on if-else conditions involving other decision variables?
I'm modeling an optimization problem in which a decision variable $$x_1$$ in the objective function depends on if-else conditions involving decision variables $$x_2$$ and $$x_3$$, as ... | 2021-09-17T14:21:47 | {"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://plainmath.net/90138/let-x-and-y-be-independent-random-variab | # Let X and Y be independent random variables each having the uniform density on {0,1,...,N}. Find P(X=Y).
Let X and Y be independent random variables each having the uniform density on {0,1,...,N}. Find P(X=Y).
You can still ask an expert for help
• Questions are typically answered in as fast as 30 minutes
Solve yo... | 2022-10-03T14:16:02 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 25, "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://de.zxc.wiki/wiki/Diffusion | # diffusion
Model representation of the mixing of two substances through diffusion
Diffusion (Latin diffusio , from Latin diffundere , 'pour out', 'scatter', 'spread out') is the compensation of concentration differences in liquids or gases as a natural physical process due to Brownian molecular movement , which occu... | 2022-01-27T23:45:21 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 54, "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://math.stackexchange.com/questions/2885275/geometric-intuition-for-the-complex-shoelace-formula | # Geometric intuition for the complex shoelace formula
The complex shoelace formula for the signed area of a triangle with vertices given by the complex numbers $a, b, c$ is $$\frac{i}{4} \begin{vmatrix} 1 & 1 & 1 \\ a & b & c \\ \overline{a} & \overline{b} & \overline{c} \\ \end{vmatrix}$$
I have seen the algebraic ... | 2020-12-05T15:47:06 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://sci-gems.math.bas.bg/jspui/handle/10525/511 | Please use this identifier to cite or link to this item: http://hdl.handle.net/10525/511
Title: Nearly Coconvex Approximation Authors: Leviatan, D.Shevchuk, I. Keywords: Nearly Coconvex ApproximationPolynomial ApproximationPiecewise Polynomial ApproximationJackson Estimates Issue Date: 2002 Publisher: Institute of Ma... | 2016-07-28T12:28:13 | {"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://www.physicsforums.com/threads/convert-the-coordiates-of-one-vector-between-2-cartesian-system.196384/ | # Convert the coordiates of one vector between 2 Cartesian system
1. Nov 6, 2007
### bigworld005
hi, all,
run into one geometry problem: I have two 3-D Cartesian systems, A and B. they share the same original. the coordinate (2,3,3) in B system is the same vector as (118,2090,1000)in A system( there may be scale dif... | 2018-08-19T22:12:01 | {"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://www.physicsforums.com/threads/find-my-mistake.238941/ | # Find my mistake
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I have to ask a dumb question. I seem to be doing something very wrong here, and it's probably trivial, but for some reason I don't see what it is. I decided to try to prove the Cauchy-Schwarz inequality without opening a book. I remember that a proof I read once started by... | 2022-05-25T04:11:08 | {"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/explain-why-chords-sound-pleasant-mathematically.238946/ | # Explain why chords sound pleasant mathematically?
1. Jun 5, 2008
### brandy
can anyone explain with mathematics/physics why chords or notes thirds (c & e, e&g, d&f, etc) or octaves sound better than say two consecutive tones???
Last edited: Jun 5, 2008
2. Jun 5, 2008
### James3849
mathematically and physically ... | 2016-12-08T04:05:29 | {"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": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://math.stackexchange.com/questions/268209/studying-intx-0-frac11t3dt | # studying $\int^x_0\frac{1}{1+t^3}dt$
Let $F(x)=\displaystyle \int^x_0\frac{1}{1+t^3}dt$
1)Prove that F is well defined and differentiable for all $x\in\mathbb{R}$
2)If $n$ is a positive integer show that $F(x)=\displaystyle(\sum\limits_{k=0}^n (-1)^k\frac{x^{3k+1}}{3k+1})+(-1)^{n+1}\int_0^x\frac{t^{3n+3}}{1+t^3}dt... | 2016-05-24T23:32:17 | {"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": 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/undecidable-statement-made-into-axiom.112083/ | # Undecidable statement made into axiom?
1. Feb 24, 2006
### gravenewworld
i am a little bit confused on 1 thing. can a statement that is undecidable in a axiomatic system just be added as a axiom to the original system and never lead to a contridiction?
for example godel and cohen showed that the continuum hypothe... | 2017-01-19T21:38:42 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathoverflow.net/questions/100687/prove-that-flat-shape-maximizes-a-functional/100845 | prove that flat shape maximizes a functional
The following functional arises in an information theoretic problem that I work on currently.
$I(G(\omega)) = \int_{-\kappa\pi}^{\kappa\pi} \frac{A}{G(\omega)+A}d\omega-\frac{| \int_{-\kappa\pi}^{\kappa\pi} \frac{A}{G(\omega)+A}\exp(-i\omega)d\omega|^2}{ \int_{-\kappa\pi}^... | 2013-05-20T14:03:50 | {"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://general.chemistrysteps.com/the-henderson-hasselbalch-equation/ | ## General Chemistry
The Henderson–Hasselbalch equation relates the pH of a buffer solution to the initial concentration of its components.
Let’s say we have a buffer containing the generic weak acid HA and its conjugate base A. The dissociation of the acid can be shown as:
HA(aq) + H2O(l ) ⇆ H3O+(aq) + A(aq)
The H... | 2022-09-27T20:17:25 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://newbedev.com/why-the-charge-of-the-proton-does-not-transfer-to-the-neutron-in-the-nuclei | # Why the charge of the proton does not transfer to the neutron in the nuclei?
A proton can exchange charge with the neutron via a process called "pion exchange". In this process, the proton with quark content $$uud$$ sends a positive pion $$u\bar{d}$$ over to the neutron $$udd$$. The antidown annihilates one down qua... | 2022-06-29T19:50:57 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.stackexchange.com/questions/3322184/proof-of-equation-involving-fourth-order-moments | # Proof of equation involving fourth-order moments
How can you prove that
$$\mathrm{E}\left\lbrace \mathbf{x}(k) \mathbf{x}^{T}(k) \mathrm{E}\left\lbrace \Delta \mathbf{w} (k) \Delta \mathbf{w}^{T} (k)\right\rbrace \mathbf{x}(k) \mathbf{x}^{T}(k) \right\rbrace = 2 \mathbf{R}\mathrm{cov}\left[\Delta\mathbf{w}(k)\right... | 2019-08-26T03:37:42 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsvidyapith.com/2022/04/keplers-laws-of-planetary-motion.html | ## Kepler's Laws of Planetary Motion
Kepler's Laws →
Kepler's found important uniformity in the motion of the planets. These uniformity are known as "Kepler's Laws of planetary motion". There are basically three laws →
1. First law (Law of orbits)
2. Second Law (Law of Areal Speed)
3. Third Law (Law of Periods)
Fi... | 2023-04-02T12:23:47 | {"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://nebusresearch.wordpress.com/2012/05/03/the-best-thing-about-polynomials/ | ## The Best Thing About Polynomials
[ Curious: one of the search engine terms which brought people here yesterday was “inner obnoxious”. I can think of when I’d used the words together, eg, in a phrase like “your inner obnoxious twelve-year-old”, the person who makes any kind of attempt at instruction difficult. But w... | 2017-09-25T20:27:06 | {"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": 0, "mathjax_asciimath": 0, "img_math": 2, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://physics.stackexchange.com/tags/resistance/hot | # Tag Info
43
Electricity isn't a gas that expands out to shock anything in contact with it. Electricity is a flow from high voltage to low voltage. Touching a charged object is only dangerous if you become a current path--if it uses you to get somewhere. Even if the earth had a net charge, you aren't providing it an... | 2015-04-25T12:37:18 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.meta.stackexchange.com/questions/35132/left-pointing-vector-accent | # Left pointing vector accent
I'd like to typeset $$\vec{\square}$$ but with the arrow pointing left, where $$\square$$ stands for an arbitrary letter from the Latin alphabet. I've tried to implement the solution described here, however it uses the \reflectbox command, which MathJax doesn't support. How can a left poi... | 2023-02-05T05:13:22 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
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