url string | text string | date timestamp[s] | metadata string |
|---|---|---|---|
https://proofwiki.org/wiki/Definition:Canonical_Surjection | # Definition:Quotient Mapping
Jump to navigation Jump to search
## Definition
Let $\RR \subseteq S \times S$ be an equivalence on a set $S$.
Let $\eqclass s \RR$ be the $\RR$-equivalence class of $s$.
Let $S / \RR$ be the quotient set of $S$ determined by $\RR$.
Then $q_\RR: S \to S / \RR$ is the quotient mapping... | 2023-03-31T09:24:57 | {"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://math.stackexchange.com/questions/3032472/the-idea-behind-delzant-construction-of-a-toric-manifold-from-a-convex-polytope | # The idea behind Delzant construction of a toric manifold from a convex polytope
I am trying to understand how to visualize a symplectic toric manifold from its moment polytope, following chapter 29.4 in "Lectures on Symplectic Geometry" by Ana Cannas da Silva: https://people.math.ethz.ch/~acannas/Papers/lsg.pdf.
Th... | 2022-10-06T13:08:06 | {"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": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://notebook.drmaciver.com/posts/2019-04-02-16:45.html | # DRMacIver's Notebook
A Boltzmann Agent with Very Bad Judgement
A Boltzmann Agent with Very Bad Judgement
As per previous post, it can make sense when looking at a set of consistent propositions to consider agents as Boltzmann samplers over the set of valid consistent beliefs, with their reliability measured by the... | 2021-07-29T22:03:52 | {"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... |
http://spamdestructor.com/how-to/propagation-of-error-for-log.php | Home > How To > Propagation Of Error For Log
# Propagation Of Error For Log
## Contents
Starting with a simple equation: $x = a \times \dfrac{b}{c} \tag{15}$ where $$x$$ is the desired results with a given standard deviation, and $$a$$, $$b$$, and $$c$$ are experimental variables, each If we know the uncertainty of ... | 2018-10-20T11:25:21 | {"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": 2, "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/1647058/how-to-show-that-this-modification-of-thomaes-function-is-riemann-integrable | # How to show that this modification of Thomae's function is Riemann integrable
I am dealing with the function $f(x)=\begin{cases} \frac{1}{n} & \text{if }\frac{1}{n+1}<x<\frac{1}{n},\:n\in\mathbb{N},\\ 0 & \text{ otherwise.} \end{cases}$ I want to show it is Riemann integrable without using the fact that every bounde... | 2019-07-21T14:58:17 | {"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://math.stackexchange.com/questions/1671709/inequality-between-the-norm-of-derivative-and-the-derivative-of-norm | # Inequality between the norm of derivative and the derivative of norm
Let $x(t)=[x_1(t)~x_2(t)~\cdots ~x_n(t)]^T$, function $x_i:R\rightarrow R$ is differentiable, then it can be drawn that when $p=2$, $\|\frac{d}{dt}x(t)\|_p\geq \frac{d}{dt}\|x(t)\|_p$. I wonder if this inequality holds when $p\neq 2$, and if it doe... | 2019-10-23T14:10:52 | {"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://www.maths.usyd.edu.au/u/UG/JM/MATH1111/Quizzes/quiz9.html | MATH1111 Quizzes
The Derivative Function Quiz
Web resources available Questions
This quiz tests the work covered in Lecture 9 and corresponds to Section 2.3 of the textbook Calculus: Single and Multivariable (Hughes-Hallett, Gleason, McCallum et al.).
There is a web quiz at Wiley. It is the same quiz for each sectio... | 2021-06-12T20:51:35 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 22, "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://openstudy.com/updates/55b54e71e4b0ce105661620f | ## anonymous one year ago Solve for x: |3x + 12| = 18 x = 2, x = –10 x = 2, x = –2 x = 10, x = –10 x = –2, x = 10
$\huge~\rm~3x + 12 = 18$ $\huge~\rm~3x + 12= -18$ Now solve for x you end up with 2 answers | 2016-10-22T18:17:07 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://gamedev.stackexchange.com/questions/103682/how-to-resolve-collisions-when-using-ray-casting-to-predict-the-location-of-futu | # How to resolve collisions when using ray-casting to predict the location of future collisions?
I ran into a question I can't seem to solve, while implementing the movement/ collision checking code for my game. The game is in 2D and all objects in my game use either AABBs or circles as collision masks. My current pro... | 2022-10-01T08:59:11 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://physics.aps.org/synopsis-for/10.1103/PhysRevC.86.011304 | # Synopsis: Neutron Knockout
Knocking out neutrons or protons from an isotope of oxygen provides a successful test of an equation that relates nuclear masses.
Unstable nuclear states that decay by emitting protons or neutrons provide important tests for models that are based on properties of nuclei close to the line ... | 2017-03-24T16:01:48 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 22, "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/how-do-you-evaluate-sqrt-b-2-4ac-for-a-9-b-10-c-1 | # How do you evaluate sqrt(b^2-4ac) for a=-9, b=10, c=-1?
Jul 19, 2017
See a solution process below:
#### Explanation:
To evaluate this expression substitute:
$\textcolor{red}{- 9}$ for $\textcolor{red}{a}$
$\textcolor{b l u e}{10}$ for $\textcolor{b l u e}{b}$
$\textcolor{g r e e n}{- 1}$ for $\textcolor{g r e ... | 2021-06-17T06:13:29 | {"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://www.cableizer.com/documentation/d_b3/ | # Distance c of multi-layer backfill
Distance c to calculate the resistance of multi-layer backfill.
Symbol
$d_{b3}$
Unit
m
Formulae
$\sqrt{{s_{b3}}^2+{w_{b4}}^2}$
Related
$s_{b3}$
$w_{b4}$
Used in
$R_{q11}$
$R_{q21}$ | 2022-01-24T07:43:58 | {"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... |
https://homework.cpm.org/category/CCI_CT/textbook/apcalc/chapter/7/lesson/7.1.1/problem/7-10 | Home > APCALC > Chapter 7 > Lesson 7.1.1 > Problem7-10
7-10.
Sketch the region bounded by $y = x^4$ and $y = 1$. Calculate the exact area of the region.
What are your limits of integration? Which function has higher $y$-values and which has lower? | 2021-09-26T03:19:09 | {"extraction_info": {"found_math": true, "script_math_tex": 3, "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://proofwiki.org/wiki/Parseval%27s_Theorem | # Parseval's Theorem
## Theorem
Let $f$ be a function square-integrable over $\left[-\pi \ldots \pi\right]$ given by the Fourier series,
$\displaystyle f(x) \cong \frac {a_0} 2 + \sum_{n=1}^\infty \left(a_n \cos\left(nx\right) + b_n\sin\left(nx\right)\right)$
Then,
$\displaystyle \frac 1 \pi \int_{-\pi}^\pi \left|... | 2018-02-24T19:40:38 | {"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": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/calculus/58535-stationary-points.html | # Math Help - Stationary points
1. ## Stationary points
Prove that the polynomial
$f=(x^2+y^2)(x^2+y^2+1)z+z^3+x+y$
doesn't have real stationary points.
Thanks!!!
2. Originally Posted by roporte
Prove that the polynomial
$f=(x^2+y^2)(x^2+y^2+1)z+z^3+x+y$
doesn't have real stationary points.
Thanks!!!
Start by ... | 2015-09-01T04:11:37 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 2, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://index.mirasmart.com/ISMRM2019/PDFfiles/2464.html | 2464
A 3D Fully Convolutional Network with various input dimension for brain extraction in MRI
Xibo Zhang1, Zhe Liu2, Pascal Spincemaille2, and Yi Wang2
1Tsinghua University, Beijing, China, 2Cornell University, New York, NY, United States
Synopsis
A 3D Fully Convolutional Network is proposed using cascade architec... | 2022-05-26T18:37:51 | {"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://www.lmfdb.org/ModularForm/GL2/Q/holomorphic/1200/2/h/f/ | # Properties
Label 1200.2.h.f Level $1200$ Weight $2$ Character orbit 1200.h Analytic conductor $9.582$ Analytic rank $0$ Dimension $2$ CM discriminant -3 Inner twists $4$
# Learn more
## Newspace parameters
Level: $$N$$ $$=$$ $$1200 = 2^{4} \cdot 3 \cdot 5^{2}$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi... | 2021-06-21T11:43:19 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://zbmath.org/?q=an%3A0769.58056 | # zbMATH — the first resource for mathematics
On the nodal line of the second eigenfunction of the Laplacian in $$\mathbb{R}^ 2$$. (English) Zbl 0769.58056
Let $$\Omega \subset \mathbb{R}^ 2$$ be a bounded convex domain with $$C^ \infty$$ boundary, let $$u_ 2$$ be a nontrivial solution of the Dirichlet problem $\begin... | 2021-02-25T16:46:54 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://stats.stackexchange.com/questions/linked/163957?sort=newest | 268 views
### The rationale behind the “fail to reject the null” jargon in hypothesis testing?
In hypothesis testing with a Null and the Alternative hypothesis (assuming that these two cases are mutually inclusive of all the possible "truths"), we usually base our hypothesis selection criterion ...
89 views
### How ... | 2020-02-28T19:57:00 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.stackexchange.com/questions/3168415/show-that-a-system-of-linear-equations-has-a-unique-solution | # Show that a system of linear equations has a unique solution
Suppose that I have the following system of $$K+1$$ linear equations with $$K\geq 3$$ $$\begin{cases} \lambda_j\times \lambda_h'=\lambda'_j\times \lambda_h & \text{ for K different pairs (j,h) taken from A}\\ \lambda_1+...+\lambda_K=1 \end{cases}$$
where
... | 2019-08-19T20:54:43 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://socratic.org/questions/given-the-first-term-and-the-common-dimerence-er-an-arithmetic-sequence-how-do-y-2 | # Given the first term and the common dimerence er an arithmetic sequence how do you find the 52nd term and the explicit formula: a_1=12, d=-20?
Dec 7, 2017
${a}_{52} = - 1008$
#### Explanation:
We can write the nth term of the sequence:
${a}_{n} = {a}_{1} + d \cdot \left(n - 1\right)$
So, we have ${a}_{n} = 12 -... | 2019-11-17T03:02:06 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 5, "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://zelaron.com/forum/showpost.php?s=ca6546c0bb0f72800d2e6b4a9d4e61a2&p=708769 | View Single Post
Posted 2018-12-06, 10:49 AM in reply to Chruser's post starting "Well, to quote some..."
Chruser said: [Goto]
For the example above, $\reverse D$ seems to be the operation "differentiate, divide by x, integrate" (with some minor technical tweaks), but it's probably more complicated than that in gener... | 2020-01-17T16:42:20 | {"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": 0, "wp_latex": 0, "mimetex.cgi": 7, "/images/mat... |
http://arcana.wikidot.com/black-hole | Black hole
rating: +1
Basic Information
A black hole is an astronomical body whose gravitational pull is so strong that even light will be permanently drawn in if it comes within a certain distance. The escape velocity of the black hole is greater than the speed of light. The light (or any object traveling at or very... | 2017-10-17T00:14:20 | {"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... |
https://homework.cpm.org/category/CC/textbook/cca2/chapter/8/lesson/8.2.1/problem/8-71 | ### Home > CCA2 > Chapter 8 > Lesson 8.2.1 > Problem8-71
8-71.
Explain why $i^{3} = –i$. What does $i^{4}$ equal?
$i ^{3} = i ^{2} · i$. What does $i ^{2}$ equal?
How can you rewrite $i ^{4}$ as a product of $i ^{2}$ and/or $i$ factors? | 2020-12-01T18:18:14 | {"extraction_info": {"found_math": true, "script_math_tex": 7, "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://k08.chatzi.org/slides/multi-way-search-trees/ | # Multi-Way Search Trees
K08 Δομές Δεδομένων και Τεχνικές Προγραμματισμού
Κώστας Χατζηκοκολάκης
## Motivation
• We keep the ordering idea of BSTs
• Fast search, by excluding whole subtrees
• And add more than two children for each node
• Gives more flexibility in restructuring the tree
• And news ways to keep it ba... | 2020-10-21T01:31:13 | {"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": 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/243667/maximalization-of-a-cubic-puzzle | # Maximalization of a cubic puzzle
What is the maximal volume of a post package of length $L$, width $W$ and height $H$, subject to the following restrictions:
• $L+W+H \leq 90$
• $L \leq 60$, $W \leq 60$, $H \leq 60$
Intuitively I would say $30^3$, but how do I find the solution mathematically?
Taking the partial ... | 2015-04-18T04:17:33 | {"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": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathoverflow.net/questions/92899/left-adjoint-to-the-forgetful-functor-from-finite-product-categories-to-symmetri?answertab=oldest | # Left adjoint to the forgetful functor from finite product categories to symmetric monoidal categories
I recall reading that the forgetful functor $FinProdCat \to SymMonCat$ from categories with finite products and product preserving functors to symmetric monoidal categories and tensor preserving functors has a left ... | 2015-07-01T12:07:51 | {"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://nemeth.aphtech.org/lesson6.3 | - Use 6 Dot Entry Switch to UEB Math Tutorial
Lesson 6.3: Brackets and Braces
Symbols
$\text{[ left bracket}$
⠈⠷
$\text{] right bracket}$
⠈⠾
$\mathbf{\left[}\phantom{\rule{.3em}{0ex}}\text{left bold bracket}$
⠸⠈⠷
$\mathbf{\right]}\phantom{\rule{.3em}{0ex}}\text{right bold bracket}$
⠸⠈⠾
$\text{{ left brac... | 2021-10-16T00:34:38 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 16, "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://electronics.stackexchange.com/questions/238222/can-a-system-with-a-response-yx-ax-c-be-called-linear?noredirect=1 | # Can a system with a response Y(x) = ax + c be called linear?
I made a DC-DC converter its ideal transfer function is: $$V_0(D) = DV_i$$
I took measurements of its response and then made a linear regression, I got this result:
$$V_0(D) = 0.98DV_i -0.42$$
Quite similar to the expected value. Now, can I say that the... | 2019-06-27T07:14:44 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://openstudy.com/updates/507ee579e4b0599919843bff | ## amorfide Group Title is anyone able to do a quick lesson on integration by parts? one year ago one year ago
1. experimentX Group Title
let $$u$$ and $$v$$ be two functions of x, $\int u(x) \; v(x) \;dx = u(x) \int v(x) dx - \int {d\over dx}u(x) \left [ \int v(x) dx \right ] dx \\= v(x) \int u(x) dx - \int {d\over ... | 2014-07-31T21:55:59 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://codeforces.com/problemset/problem/204/B | B. Little Elephant and Cards
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output
The Little Elephant loves to play with color cards.
He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Initially, all the ca... | 2021-02-25T11:35:39 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://zbmath.org/?q=an:06946198 | ## Functional data analysis of amplitude and phase variation.(English)Zbl 1426.62146
Summary: The abundance of functional observations in scientific endeavors has led to a significant development in tools for functional data analysis (FDA). This kind of data comes with several challenges: infinite-dimensionality of fu... | 2022-05-18T22:48:08 | {"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... |
http://www.maths.usyd.edu.au/s/scnitm/aksamit-StochasticsAndFinanceSemi-001 | SMS scnews item created by Anna Aksamit at Fri 1 Nov 2019 1147
Type: Seminar
Distribution: World
Expiry: 12 Nov 2019
Calendar1: 5 Nov 2019 1400-1500
CalLoc1: AGR Carslaw 829
CalTitle1: Stochastics and Finance Seminar: Jan Obloj -- Robust finance. Part II
Auth: aksamit@paksamit.pc (assumed)
# Stochastics and Finance Se... | 2020-02-22T04:26:35 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://nimahejazi.org/publication/cvcovest_selector/ | # Cross-validated loss-based covariance matrix estimator selection in high dimensions
### Abstract
The covariance matrix plays a fundamental role in many modern exploratory and inferential statistical procedures, including dimensionality reduction, hypothesis testing, and regression. In low-dimensional regimes, where... | 2021-06-16T09:44:10 | {"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://mathoverflow.net/questions/377061/does-the-fourier-expansion-of-the-j-function-have-any-prime-coefficients/377448 | # Does the Fourier expansion of the j-function have any prime coefficients?
Title asks it: Does the Fourier expansion of the j-function have any prime coefficients?
A superabundance of congruences involving primes up to 13 rule out many candidates, but calculation suggests that primes $$p>13$$ occur as divisors at fr... | 2021-07-27T16:23:50 | {"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://doc.sagemath.org/html/en/reference/game_theory/sage/game_theory/cooperative_game.html | Co-operative Games With Finite Players¶
This module implements a class for a characteristic function cooperative game. Methods to calculate the Shapley value (a fair way of sharing common resources: see [CEW2011]) as well as test properties of the game (monotonicity, superadditivity) are also included.
AUTHORS:
• Ja... | 2019-11-18T04:40:09 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://nrich.maths.org/712/solution | ### Pinned Squares
The diagram shows a 5 by 5 geoboard with 25 pins set out in a square array. Squares are made by stretching rubber bands round specific pins. What is the total number of squares that can be made on a 5 by 5 board?
### Poly-puzzle
This rectangle is cut into five pieces which fit exactly into a trian... | 2014-11-28T14:47:19 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://laurentlessard.com/bookproofs/number-shuffle/ | # Number shuffle
This is a number theory problem from the Riddler. Simple problem, not-so-simple solution!
Imagine taking a number and moving its last digit to the front. For example, 1,234 would become 4,123. What is the smallest positive integer such that when you do this, the result is exactly double the original ... | 2023-04-01T01:24:47 | {"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": 2, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://fuza.co.uk/category/mathematics/ | # Lean Manufacturing: Limiting innovation?
I’ve been running a “lean” business for 6 months now, and I’ve noticed that Lean Manufacturing principles applied to software development could lead to bad business. Let me explain:
Primarily, my concern centers around the lean manufacturing principle of waste reduction. The... | 2020-09-23T23:00:46 | {"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": 0, "img_math": 0, "codecogs_latex": 18, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://puzzlecritic.wordpress.com/tag/algebra/ | ## Pairs and squares
This puzzle, which I posted to twitter (@puzzlecritic) a few weeks ago, is one of my variations on a problem that appeared in a mathematical discussion group on LinkedIn:
Find three different positive integers such that the sum of any two is a square.
## The Vault: Powers of two
My new book of ... | 2017-08-20T19:17:00 | {"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": 0, "mathjax_asciimath": 0, "img_math": 7, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://nuclearchickencollusion.wordpress.com/2013/03/08/what-do-kittens-have-to-do-with-rising-tuition/ | # What do kittens have to do with rising tuition?
If you read the Financial Times, you might suspect from an article on Monday that kittens have something to do with rising tuition and Prisoners’ Dilemmas. Let me assure you that they don’t.
A friend of mine sent me the article, which cites a model designed by a team ... | 2018-01-23T00:11:24 | {"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": 0, "mathjax_asciimath": 0, "img_math": 3, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://gmatclub.com/forum/the-average-arithmetic-mean-of-9-scores-is-n-if-a-10th-score-is-the-280219.html | GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 16 Oct 2019, 17:24
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customize... | 2019-10-17T00:24:40 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://space.stackexchange.com/questions/45930/how-to-fit-into-a-cubesat-29-trackable-high-drag-subsatellites-with-well-defin | # How to fit, into a cubesat, 29 trackable high drag subsatellites with well-defined aerodynamic profiles
Johnathan McDowell's recent tweet says:
The @AerospaceCorp Aerocube-10a cubesat carries 29 small passive high-drag subsatellites used to probe the density of the upper atmosphere. 3 have been ejected so far and t... | 2021-04-23T02:16:39 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://stats.stackexchange.com/tags/stepwise-regression/hot | # Tag Info
338
I think this approach is mistaken, but perhaps it will be more helpful if I explain why. Wanting to know the best model given some information about a large number of variables is quite understandable. Moreover, it is a situation in which people seem to find themselves regularly. In addition, many text... | 2020-01-24T07:25:40 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://projecteuclid.org/euclid.die/1372858566 | ## Differential and Integral Equations
### $G$-convergence for non-divergence second order elliptic operators in the plane
#### Abstract
The central theme of this paper is the study of $G$-convergence of elliptic operators in the plane. We consider the operator $$\mathcal{M}[u]=\text{Tr}(A(z) D^2u)=a_{11}(z)u_{xx}+2... | 2018-06-23T00:59:20 | {"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": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.neetprep.com/question/50229-figure-below-shows-north-south-poles-permanent-magnet-n-turn-coil-area-crosssection-resting-current-passed-coil-plane-coil-makes-angle-respect-tothe-direction-magnetic-field-B-plane-magnetic-field-thecoil-horizontal-vertical-respectively-torque-coil-will-bea-niABcosb-niABsinc--ni... | # NEET Physics Magnetism and Matter Questions Solved
The figure below shows the north and south poles of a permanent magnet in which n turn coil of area of cross-section A is resting, such that for a current i passed through the coil, the plane of the coil makes an angle with respect to the direction of magnetic field... | 2019-09-20T14:04:02 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 3, "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/2474449/how-would-i-answer-the-following-question-about-the-determinant-of-a-matrix | How would I answer the following question about the determinant of a matrix?
If a $4 \times 4$ matrix $A$ with rows $v_1, v_2, v_3$ and $v_4$ has determinant $\det A = 9$, then $$\det \begin{pmatrix}v_1\\ 3v_2+4v_3\\ 9v_2+3v_3\\ v_4\end{pmatrix} = \ ?$$
What I did was multiply the initial determinant by $3$ and then ... | 2019-02-18T10:51:55 | {"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... |
https://www.mathdoubts.com/reciprocal-identities/ | # Reciprocal identities
The reciprocal relation of a trigonometric function with another trigonometric function is called reciprocal identity.
## Introduction
Every trigonometric function has a reciprocal relation with another trigonometric function. So, the six trigonometric ratios form six reciprocal trigonometric... | 2020-09-19T01:57:21 | {"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... |
http://mathoverflow.net/questions/1176/given-a-sequence-defined-on-the-positive-integers-how-should-it-be-extended-to/1180 | # Given a sequence defined on the positive integers, how should it be extended to be defined at zero?
This question is inspired by a lecture Bjorn Poonen gave at MIT last year. I have ideas of my own, but I'm interested in what other people have to say, so I'll make this community wiki and post my own thoughts later. ... | 2014-04-19T05:14:34 | {"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/3043595/discrete-probability-expected-value-and-random-variable-independence/3043730 | # Discrete Probability: Expected Value and Random Variable independence [closed]
For this, I took n=2 which makes the set: {1,2,3,4}
Set will contain: {C1,C2,B1,B2}
X = 1 if the position of first cider bottle is 1
P(X=1) = 6/24 = 1/4
E(X) = 2 * 1/4 = 1/2
The general form will be: n*1/2n = 1/n.
This is my attempt... | 2019-09-23T11:08:32 | {"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": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://courses.lumenlearning.com/ivytech-collegealgebra/chapter/graph-polynomial-functions/ | Graph polynomial functions
We can use what we have learned about multiplicities, end behavior, and turning points to sketch graphs of polynomial functions. Let us put this all together and look at the steps required to graph polynomial functions.
How To: Given a polynomial function, sketch the graph.
1. Find the int... | 2019-09-18T20:38:49 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.gradesaver.com/textbooks/science/physics/university-physics-with-modern-physics-14th-edition/chapter-44-particle-physics-and-cosmology-problems-discussion-questions-page-1519/q44-2 | University Physics with Modern Physics (14th Edition)
It is possible to momentarily create particle-antiparticle pairs of energy $\Delta E$ for a short time $\Delta t$ as long as Heisenberg’s uncertainty principle for matter is obeyed. Empty space is not truly empty. | 2019-11-20T14:02:04 | {"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.ora.ox.ac.uk/objects/uuid:555390ea-7ab4-4fa1-92e0-9baf3bd0fa8d | Journal article
### Asymptotic frequentist coverage properties of Bayesian credible sets for sieve priors
Abstract:
We investigate the frequentist coverage properties of (certain) Bayesian credible sets in a general, adaptive, nonparametric framework. It is well known that the construction of adaptive and honest con... | 2022-08-09T06:04:42 | {"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://wires.wiley.com/WileyCDA/WiresArticle/wisId-WIDM1120.html | This Title All WIREs
How to cite this WIREs title:
WIREs Data Mining Knowl Discov
Multilinear and nonlinear generalizations of partial least squares: an overview of recent advances
Can't access this content? Tell your librarian.
Partial least squares (PLS) is an efficient multivariate statistical regression techniqu... | 2018-10-16T07:27:47 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 6, "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/rlc-circuit-problem.395083/ | # RLC Circuit problem
1. Apr 13, 2010
### nucleawasta
1. The problem statement, all variables and given/known data
In an L-R-C series circuit, the rms voltage across the resistor is 32.0 , across the capacitor it is 90.1 and across the inductor it is 51.5 .
What is the rms voltage of the source?
2. Relevant equatio... | 2018-03-17T19:09:51 | {"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": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://meangreenmath.com/category/algebra-ii/ | # Finding the Regression Line without Calculus
Last month, my latest professional article, Deriving the Regression Line with Algebra, was published in the April 2017 issue of Mathematics Teacher (Vol. 110, Issue 8, pages 594-598). Although linear regression is commonly taught in high school algebra, the usual derivati... | 2017-05-26T16:57:51 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 70, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://dml.cz/handle/10338.dmlcz/141701 | # Article
Full entry | PDF (0.2 MB)
Keywords:
Laplace operator; multiplicative perturbation; Dirichlet problem; Friedrichs extension; purely discrete spectra; purely continuous spectra
Summary:
We investigate the spectral properties of the differential operator $-r^s \Delta$, $s\ge 0$ with the Dirichlet boundary con... | 2021-02-27T21:45:02 | {"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": 1, "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/513bb187e4b01c4790d21cee | ## inkyvoyd How many positive integers N<1000 are there, such that 3^N-N^3 is a multiple of 5? one year ago one year ago
1. inkyvoyd
I rewrote it as modular arithmetic 3^N mod 10=N^3 mod 10 or |3^N mod 10 -N^3 mod 10|=5 But how do I solve this?
2. wio
If you do mod 10, the the solutions are $5-0 =5\\ 6-1=5\\ 7-2=5\... | 2014-04-16T22:58:38 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/a-question-about-polynomials-of-degree-2.763365/ | # A question about polynomials of degree 2
1. Jul 25, 2014
### eric_999
Hey!
In my calculus book they claim that a second degree polynomial always can be rewritten as x^2 - a^2 or as x^2 + a^2, if you use an appropriate change of variable. I was thinking about how this works.
Let's say we have a second degree poly... | 2018-02-25T14:37:57 | {"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... |
http://mathoverflow.net/questions/107938/a-question-about-speisers-1934-result-on-the-riemann-hypothesis?sort=newest | # A question about Speiser's 1934 result on the Riemann hypothesis
A number of sources concerning Speiser's 1934 result state that the Riemann Hypothesis (RH) implies $\zeta'(s)\neq 0$ for all $0<\text{Re}(s)<1/2$. But I have seen some (possibly less reliable) sources without proof suggesting this is an if and only if... | 2015-09-04T19:04:48 | {"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://www.qtp.ufl.edu/ofdft/problem/ofdft.shtml | ### Orbital Free Density Functional Theory
In the case of WDM there is an issue with the technical problem of solving for the Kohn-Sham orbitals and eigenvalues. Since the computational load from the eigenvalue problem scales, in general, as order $$N^3$$ where $$N$$ is the number of orbitals, the growth in the number... | 2017-11-19T06:50:07 | {"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": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://openstax.org/books/university-physics-volume-2/pages/16-summary | University Physics Volume 2
# Summary
### 16.1Maxwell’s Equations and Electromagnetic Waves
• Maxwell’s prediction of electromagnetic waves resulted from his formulation of a complete and symmetric theory of electricity and magnetism, known as Maxwell’s equations.
• The four Maxwell’s equations together with the Lor... | 2021-04-21T04:53:24 | {"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://physics.stackexchange.com/questions/384190/given-an-irreversible-process-from-a-to-b-is-there-a-reversible-process-of-the | # Given an irreversible process from A to B, is there a reversible process of the same type from A to B?
I'm an undergraduate student, and I'm facing problems with entropy for the first time.
The word "adiathermal" is used here, as suggested in the comments, in order to describe a process occurring without any flow o... | 2020-07-11T08:23:30 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.rdocumentation.org/packages/rospca/versions/1.0.4/topics/robpca | # robpca
0th
Percentile
##### ROBust PCA algorithm
ROBPCA algorithm of Hubert et al. (2005) including reweighting (Engelen et al., 2005) and possible extension to skewed data (Hubert et al., 2009).
Keywords
multivariate, robust
##### Usage
robpca (x, k = 0, kmax = 10, alpha = 0.75, h = NULL, mcd = FALSE,
ndir = "a... | 2020-07-13T11:27:29 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://www.shogun-toolbox.org/doc/en/latest/classshogun_1_1CRBM.html | SHOGUN 4.2.0
CRBM Class Reference
## Detailed Description
A Restricted Boltzmann Machine.
An RBM is an energy based probabilistic model. It consists of two groups of variables: the visible variables $$v$$ and the hidden variables $$h$$. The key assumption that RBMs make is that the hidden units are conditionally in... | 2016-06-30T06:44:47 | {"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": 1, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://web2.0calc.com/questions/inequality_122 | +0
# Inequality
0
121
2
Solve the inequality 2x - 5 < -x - 12. Give your answer as an interval.
Dec 20, 2021
#1
+179
+1
$$\left(-\infty \:,\:-\frac{7}{3}\right)$$One of these 2 should be correct
Dec 20, 2021
#2
+13724
+1
$$x\in \mathbb R\ |\ x<-\frac{7}{3}$$
asinus Dec 20, 2021 | 2022-06-29T22:28:07 | {"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": 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/trick-question.787474/ | # Trick Question?
1. Dec 13, 2014
### Zondrina
1. The problem statement, all variables and given/known data
A fluid flows through a pipe. The flow varies with time. We want to estimate the volume of fluid ($V$, in $L$) that passes through the pipe between time $t = 10 s$ and $t = 14 s$ (i.e. we want to integrate th... | 2017-10-17T04:45:47 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.semanticscholar.org/paper/Number-of-visits-in-arbitrary-sets-for-dynamics-Gallo-Haydn/64806d36f5f5760a1eb322ddba54bb9d4982bdae | Corpus ID: 236469107
# Number of visits in arbitrary sets for $\phi$-mixing dynamics
@inproceedings{Gallo2021NumberOV,
title={Number of visits in arbitrary sets for \$\phi\$-mixing dynamics},
author={Sandro Gallo and Nicolai T. A. Haydn and Sandro Vaienti},
year={2021}
}
• Published 2021
• Mathematics
It is well-know... | 2021-10-15T21:37:03 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://quantumcomputing.stackexchange.com/questions/8652/how-does-a-single-qubit-gate-affect-other-qubits | # How does a single-qubit gate affect other qubits?
An instructional quantum computing article I'm reading (How the quantum search algorithm works) states that the following circuit takes $$\vert x\rangle\vert 0\rangle$$ to $$−\vert x\rangle\vert 0\rangle$$, when $$\vert x\rangle$$ is anything other than $$\vert 00\ra... | 2022-01-27T11:54:02 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://tpd.ihep.cas.cn/xshd/xsbg/201701/t20170109_359585.html | 收藏本站 | 联系我们 | 高能所主站 | 中国科学院 | English
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[1.18]Solving large-N gauge theory by integrability
## Seminar
Title: Solving large-N gauge theory by integrability
Speaker: Dr. Yun-Feng Jiang （江云峰）(ETH Zürich)... | 2017-05-27T02:18:58 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://www.chegg.com/homework-help/questions-and-answers/solar-panel-surface-8-m-5-m-deliver-25-15-v-full-sun-intensity-800-w-m--compute-efficiency-q2028171 | A solar panel with surface .8 m × .5 m. can deliver 2.5[A] at 15[V] in full sun (with intensity 800[W/m²]).
a) Compute the efficiency at which this solar panel converts solar energy into electrical.
b) Determine the resistance of R1 ... see diagram.
{Note that it is an active device ("sensor"); in typical use, the curr... | 2014-08-21T19:31:38 | {"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.gradesaver.com/textbooks/math/statistics-probability/elementary-statistics-12th-edition/chapter-9-inferences-from-two-samples-9-3-two-means-independent-samples-basic-skills-and-concepts-page-466/24 | # Chapter 9 - Inferences from Two Samples - 9-3 Two Means: Independent Samples - Basic Skills and Concepts - Page 466: 24
Fail to reject the null hypothesis.
#### Work Step by Step
Null hypothesis:$\mu_1=\mu_2$, alternative hypothesis:$\mu_1\ne\mu_2$. Hence the value of the test statistic: $t=\frac{(\overline{x_1}-\... | 2018-09-23T22:33:31 | {"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-8th-edition/appendix-d-trigonometry-d-exercises-page-a32/14 | # Appendix D - Trigonometry - D Exercises - Page A32: 14
$4\pi$ centimeters
#### Work Step by Step
We use the formula $s=θr$ $θ$ must be in radians. It is given in degrees. We convert from radians to degrees: $72°\times\frac{\pi}{180}=\frac{2\pi}{5}$ Plug in given values and simplify: $s=\frac{2\pi}{5}(10)=4\pi$ cen... | 2019-11-17T09:40:32 | {"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... |
http://finmining.com/85gv5/semantic-segmentation-of-images-90f3b4 | Preview the datastore to explore the data. The full network, as shown below, is trained according to a pixel-wise cross entropy loss. As shown in the figure below, the values used for a dilated convolution are spaced apart according to some specified dilation rate. This example uses a high-resolution multispectral data... | 2021-07-25T00:29:15 | {"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... |
http://clay6.com/qa/15255/a-horizontal-pipe-of-non-uniform-cross-section-allows-water-to-flow-through | Want to ask us a question? Click here
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A horizontal pipe of non-uniform cross- section allows water to flow through it with a velocity $1\; ms^{-1}$ when pressure is $50\;kPa$ at a point. If the velocity of flow has to be $2 ms^{-1}$ at some other point the pressure at that point should be
... | 2017-02-21T18:47:08 | {"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": 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/another-subspace-prove.297121/ | # Another subspace prove
1. Mar 4, 2009
### transgalactic
there are two W1 and W2 of F^3 space
dim(W1)=1
dim(W2)=2
prove or desprove that:
$$W1\cap W2$$={0} is the vector space
??
there could be a case where W2 includes W1 then there intersection is not the 0 space
correct??
2. Mar 4, 2009
### Quantumpencil
If... | 2017-08-21T02:05:59 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://openstudy.com/updates/50ef0cede4b07cd2b649d25b | ## anonymous 3 years ago Find an exact value. cos 15° Options: A) sqrt 6 + sqrt 2 / 4 B) - sqrt2 + sqrt 6 / 4 C) - sqrt2 - sqrt 6 / 4 D) - sqrt6 + 1 / 4
1. anonymous
A) $\frac{ \sqrt{6}+\sqrt{2} }{ 4 }$ B) $\frac{ -\sqrt{2} +\sqrt{6} }{ 4 }$ C) $\frac{ -\sqrt{2} - \sqrt{6} }{ 4 }$ D) $\frac{ -\sqrt{6} +1}{ 4 }$
2. a... | 2016-05-27T10:33:54 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://publications.mfo.de/handle/mfo/3703 | Recently added
Now showing items 1-20 of 43
• 1939 - Toric Geometry
[OWR-2019-43] (2019) - (22 Sep - 28 Sep 2019)
Toric geometry is a subfield of algebraic geometry with rich interactions with geometric combinatorics, and many other fields of mathematics. This workshop brought together a broad range of mathematici... | 2020-11-25T08:38:58 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.matematica.pt/en/faq/multiply-negative-numbers.php | # If I multiply two negative numbers the result will be a positive one, why does it happen?
#### short answers for big questions
In order to understand this multiplication we have first to understand what’s the meaning of multiplying a positive number by a negative one. Let’s suppose that we have to pay a loan of 300... | 2022-11-27T01:24:22 | {"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://socratic.org/questions/how-do-you-graph-y-1-4x-4-by-plotting-points | # How do you graph y=1/4x-4 by plotting points?
Jul 7, 2015
You need only two points to plot your function, that represents a straight line.
#### Explanation:
This is a linear function that will give you, when plotted, a straight line.
First you can see that the slope of your line is positive $m = \frac{1}{4}$ so y... | 2019-01-23T03:24:40 | {"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://www.patterncomputer.com/blogs/brute-force/ | # Brute Force
by Michael Dushkoff |
In this post, we present a more detailed analysis of the problem of exploring high dimensional spaces to discover interesting patterns within data. This subject was touched upon in our Splash event video, but we’d like to further expound upon it here to clarify more explicitly the ... | 2019-06-24T17:27:23 | {"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... |
https://socratic.org/questions/how-many-moles-are-present-in-454-grams-of-co-2 | # How many moles are present in 454 grams of CO_2?
Moles of $C {O}_{2}$ $=$
(454*g)/(44*g*mol^(-1)) = ?? mol | 2019-08-18T21:58:00 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 3, "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://deepai.org/publication/analysis-of-a-fully-discrete-approximation-for-the-classical-keller-segel-model-lower-and-a-priori-bounds | # Analysis of a fully discrete approximation for the classical Keller–Segel model: lower and a priori bounds
This paper is devoted to constructing approximate solutions for the classical Keller–Segel model governing chemotaxis. It consists of a system of nonlinear parabolic equations, where the unknowns are the averag... | 2022-01-27T08:47:13 | {"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://proofindex.com/?page=blog&post=intro-to-total-functional-programming/measure-functions | # Measure functions
The idea of a measure function, is to take every possible tuple of arguments, and map each of them to a natural number, such that each subsequent call maps to a smaller number. For example, consider Euler's GCD function:
$$\text{gcd}(a, b) = \begin{cases} \text{gcd}(a\mathop{\text{mod}}b, a) & \te... | 2022-05-24T09:06:27 | {"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": 0, "mathjax_display_tex": 2, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://math.stackexchange.com/questions/245084/exact-sequences-and-hom | # Exact sequences and Hom
I have a exact sequence $$1 \longrightarrow A \overset{\phi}\longrightarrow B \overset{\psi}\longrightarrow C \longrightarrow 1$$ of commutative rings $A,B,C$ and the the exact sequence is such that we only consider the multiplicative structure then if I take a free abelian group $X$, how wou... | 2015-09-02T07:27:26 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://clay6.com/qa/57057/let-x-1-y-1-be-the-point-of-intersection-of-the-tangent-to-the-parabola-y-2 | Comment
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Q)
# Let $(x_1,y_1)$ be the point of intersection of the tangent to the parabola $y^2=4ax$ at the points $t_1$ and $t_2$ . Then $x_1=a{t_1}{t_2}$ and $y_1=a(t_1+t_2)$
Prove that if $(x_1,y_1)$ be the point of intersection of the tangent to the parabola $y^2=4ax$ at the points $t_1$ and $t_2$ . Then $x_... | 2019-08-18T02:47:46 | {"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": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://pldml.icm.edu.pl/pldml/element/bwmeta1.element.bwnjournal-article-doi-10_4064-ba57-3-2 | PL EN
Preferencje
Język
Widoczny [Schowaj] Abstrakt
Liczba wyników
Czasopismo
## Bulletin of the Polish Academy of Sciences. Mathematics
2009 | 57 | 3 | 199-207
Tytuł artykułu
### L-like Combinatorial Principles and Level by Level Equivalence
Autorzy
Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty... | 2021-03-03T00:23:16 | {"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": 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/algebra/23218-when-solving-2x3-equation-applying-matrix-system.html | # Math Help - when solving a 2x3 equation applying the matrix system
1. ## when solving a 2x3 equation applying the matrix system
Hello.
When solving a 2x3 equation with the matrix system what is the goal? is it to end up with a zero like this?
a b c
0 d e
is that right? or should I also end up with a 1?
thank yo... | 2016-05-27T05:28:00 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 4, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://kea-monad.blogspot.com/2008/07/m-theory-lesson-206.html | occasional meanderings in physics' brave new world
Name:
Location: New Zealand
Marni D. Sheppeard
## Monday, July 14, 2008
### M Theory Lesson 206
Carl Brannen's new post on 1-circulant and 2-circulant operators extends his previous analysis to the remainder of the fundamental fermions and their quantum numbers. H... | 2017-07-26T10:44:05 | {"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... |
https://curriculum.illustrativemathematics.org/HS/teachers/2/7/14/index.html | # Lesson 14
Putting It All Together
## 14.1: Equal Slices (5 minutes)
### Warm-up
This warm-up invites students to reason about areas of circles and their sectors in the context of cost-efficiency. This context will be explored further in the next activity.
### Student Facing
At a pizza restaurant, a personal piz... | 2022-05-27T12:21:25 | {"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... |
https://math.stackexchange.com/questions/927656/integral-int-01-frac-ln-frac3x3-x-sqrtx1-xdx | # Integral $\int_{0}^1\frac{\ln\frac{3+x}{3-x}}{\sqrt{x(1-x)}}dx$
I have a problem with the following integral:
$$\int_{0}^{1}\ln\left(\,3 + x \over 3 - x\,\right)\, {{\rm d}x \over \,\sqrt{\,x\left(\,1 - x\,\right)\,}\,}$$
The first idea was to use the integration by parts because
$$\int{{\rm d}x \over \,\sqrt{x\l... | 2019-06-25T18:20:43 | {"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... |
https://plotly.com/matlab/3d-isosurface-plots/ | # 3D Isosurface Plots in MATLAB®
How to make 3D Isosurface Plots in MATLAB® with Plotly.
## Basic Isosurface plot
[x,y,z] = meshgrid([-3:0.25:3]);
V = x.*exp(-x.^2 -y.^2 -z.^2);
isosurface(x,y,z,V,1e-4);
fig2plotly(gcf, 'TreatAs', 'isosurface');
[x,y,z] = meshgrid([-3:0.25:3]);
V = x.*exp(-x.^2 -y.^2 -z.^2);
[face... | 2022-05-23T22:52:33 | {"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://labs.tib.eu/arxiv/?author=E.%20H.%20Neilsen | • ### The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/VIRGO GW170817. II. UV, Optical, and Near-IR Light Curves and Comparison to Kilonova Models(1710.05840)
Oct. 16, 2017 astro-ph.HE
We present UV, optical, and NIR photometry of the first electromagnetic counterpart to a gravitational wave sour... | 2020-11-30T17:45:07 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://archive.lib.msu.edu/crcmath/math/math/t/t435.htm | Twin Peaks
For an Integer , let denote the Least Prime Factor of . A Pair of Integers is called a twin peak if
1. ,
2. ,
3. For all , Implies .
A broken-line graph of the least prime factor function resembles a jagged terrain of mountains. In terms of this terrain, a twin peak consists of two mountains of equal hei... | 2021-11-27T08:06:45 | {"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://eprints.soton.ac.uk/261596/ | The University of Southampton
University of Southampton Institutional Repository
Coded Modulation Assisted Radial Basis Function Aided Turbo Equalisation for Dispersive Rayleigh Fading Channels
Ng, S. X., Yee, M. S. and Hanzo, L. (2004) Coded Modulation Assisted Radial Basis Function Aided Turbo Equalisation for Disp... | 2018-02-22T16:51:56 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://oejournal.org/mv_html/j00001/2019-05/A190514000002_WEB.htm | 光电工程 2019, Vol. 46 Issue (5): 180306 DOI: 10.12086/oee.2019.180306
Two input one output visible light communication system based on pulse amplitude modulation
Shi Meng, Zhang Mengjie, Chi Nan
Key Laboratory of Electromagnetic Wave Information Science, Ministry of Education, Department of Communication Science an... | 2019-06-25T22:35:54 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://universeinproblems.com/index.php/Characteristic_Parameters_and_Scales | # Characteristic Parameters and Scales
### Problem 1
Calculate the dark energy density and the cosmological constant value.
### Problem 2
Estimate total number of baryons in the Universe.
### Problem 3
Find dependence of relative density of dark energy $\Omega_\Lambda$ on the redshift. Plot $\Omega_\Lambda(z)$.
... | 2017-03-28T23:33:23 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.studentsroom.in/introduction-of-common-emitter-amplifier/ | # introduction of common emitter amplifier
## Aim:
Design and set up the BJT common emitter amplifier using voltage divider bias with and without feedback and determine the gain- bandwidth product from its frequency response.
## Components and equipments required:
Transistor – SL100, Resistors – 470 Ω, 1KΩ, 10KΩ – ... | 2018-12-19T14:42:20 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://cms.math.ca/cjm/kw/algorithm | location: Publications → journals
Search results
Search: All articles in the CJM digital archive with keyword algorithm
Expand all Collapse all Results 1 - 2 of 2
1. CJM 2011 (vol 63 pp. 755)
Chu, Kenneth C. K.
On the Geometry of the Moduli Space of Real Binary Octics The moduli space of smooth real binar... | 2015-03-07T00:14:02 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://marcvamos.de/dilation-scale-factor-calculator.html | Dilation Scale Factor Calculator
(Multiply both coordinates of each point by 3. Given a figure, the student will identify the scale factor used for a dilation, and use a dilation by a scale factor, including enlargements and reductions, to generate similar figures. A scale factor greater than 1 indicates an enlargemen... | 2021-04-20T16:27:00 | {"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... |
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