url string | text string | date timestamp[s] | metadata string |
|---|---|---|---|
https://jp.maplesoft.com/support/help/maplesim/view.aspx?path=tensor(deprecated)/create&L=J | tensor(deprecated)/create - Maple Help
tensor
create
create a new tensor_type object
Calling Sequence create( index_character, components)
Parameters
index_character - list of positive ones (1) and negative ones (-1) specifying the contravariant/covariant character of the indices of the new tensor components -... | 2022-10-07T10:10:59 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 13, "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/ma... |
https://stats.stackexchange.com/questions/56724/computation-of-likelihood-when-n-is-very-large-so-likelihood-gets-very-small | # Computation of likelihood when $n$ is very large, so likelihood gets very small?
I am trying to compute this posterior distribution:
$$(\theta|-)=\frac{\prod_{i=1}^{n}p_i^{y_i}(1-p_i)^{1-y_i}}{\sum_{\text{all}\,\theta,p_i|\theta}\prod_{i=1}^{n}p_i^{y_i}(1-p_i)^{1-y_i}}$$
The problem is that the numerator, which is... | 2019-10-20T06:47:00 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://learn.careers360.com/ncert/question-two-persons-manage-to-push-a-motorcar-of-mass-1200-kg-at-a-uniform-velocity-along-a-level-road-the-same-motorcar-can-be-pushed-by-three-persons-to-produce-an-acceleration-of-0-point-2-m-s-raise-to-minus-2-with-what-force-does-each-person-push-the-motorcar/ | # Q A2. Two persons manage to push a motorcar of mass 1200 kg at a uniform velocity along a level road. The same motorcar can be pushed by three persons to produce an acceleration of 0.2 m s-2. With what force does each person push the motorcar? (Assume that all persons push the motorcar with the same muscular effort.)... | 2020-04-06T03:18:15 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 2, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://socratic.org/questions/when-cu-oh-2-is-heated-copper-ii-oxide-and-water-are-formed-how-would-you-write- | # When Cu(OH)_2is heated, copper(II) oxide and water are formed. How would you write a balanced equation for the reaction?
$C u {\left(O H\right)}_{2} \left(s\right) + \Delta \rightarrow C u O \left(s\right) + {H}_{2} O \left(g\right)$ | 2019-09-21T13:30:19 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 1, "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://residuetheorem.com/2013/11/16/a-crazy-ass-integral-the-evaluation-of-which-got-a-lot-of-love-at-math-se/ | ## A crazy-ass integral, the evaluation of which got a lot of love at Math.SE
There are a lot of integrals posted at Math.SE. I attempt to evaluate quite a few of them. Many times, I fail spectacularly; you will typically not hear of those because I feel there is nothing to say. Occasionally, I succeed; of course, you... | 2018-01-22T19:56:58 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://physics.stackexchange.com/questions/55105/why-arent-all-quantum-systems-superfluids | # Why aren't all quantum systems superfluids
Simply I was just wandering why aren't all quantum systems (F-D and BE condensates) superfluids at low temp like He 3 and 4?
-
Out of curiosity, could you expand on why you might think they should be in your question? Also, are you really referring to ALL quantum systems o... | 2015-11-30T15:28:43 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/proving-existence-uniqueness-of-a-set.767312/ | # Proving Existence/Uniqueness of a Set.
1. Aug 24, 2014
### pandaBee
1. The problem statement, all variables and given/known data
Let U be any set.
(a) Prove that for every A ∈ P (U) there is a unique B ∈ P (U) such
that for every C ∈ P (U), C \ A = C ∩ B.
Remark: P(U) = the Power set of U, i.e. A ∈ P (U) then A⊆U
... | 2017-08-19T15:51:38 | {"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... |
https://www.jobilize.com/course/section/problems-exercises-relativistic-energy-by-openstax?qcr=www.quizover.com | # 28.6 Relativistic energy (Page 7/12)
Page 7 / 12
A photon decays into an electron-positron pair. What is the kinetic energy of the electron if its speed is $0.992c$ ?
$\begin{array}{lll}{\text{KE}}_{\text{rel}}& =& \left(\gamma -1\right){\mathrm{mc}}^{2}=\left(\frac{1}{\sqrt{1-\frac{{v}^{2}}{{c}^{2}}}}-1\right){... | 2019-12-09T21:09:18 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 21, "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://gmatclub.com/forum/if-7-workers-can-build-7-cars-in-7-days-then-how-many-days-would-it-112832.html | GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 20 Sep 2018, 01:57
### 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... | 2018-09-20T08:57:27 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://anthony-tan.com/The-Backpropagation-Algorithm/ | ## Preliminaries#
1. An Introduction to Backpropagation and Multilayer Perceptrons
2. Culculus 1,2
3. Linear algebra
4. Jacobian matrix
## Architecture and Notations1#
We have seen a three-layer network is flexible in approximating functions(An Introduction to Backpropagation and Multilayer Perceptrons). If we had a... | 2022-09-26T03:54:00 | {"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://www.physicsforums.com/threads/solving-ode-with-laplace-transform.838047/ | # Solving ODE with Laplace transform
1. Oct 16, 2015
### Incand
1. The problem statement, all variables and given/known data
Let
$f(t)= \begin{cases} \sin t , \; \; 0 \le t < \pi \\ 0 , \; \; \; \; \; \text{else.} \end{cases}$
Use Laplace transform to solve the initial value problem
$x'(t)+x(t)=f(t), \; \; \; x(0)=0... | 2018-02-21T08:04:05 | {"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": 2, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.gradesaver.com/textbooks/math/algebra/algebra-1-common-core-15th-edition/chapter-1-foundations-for-algebra-chapter-review-page-70/51 | ## Algebra 1: Common Core (15th Edition)
When we see a fraction, we want to get the numerator and denominator in terms of one integer each, if possible. Thus, it follows: $\frac{6+3}{9}$=$\frac{9}{9}$=1 | 2018-08-17T23:48:08 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://eprint.iacr.org/2014/405/20141114:073745 | ## Cryptology ePrint Archive: Report 2014/405
Indistinguishability Obfuscation versus Multi-Bit Point Obfuscation with Auxiliary Input
Christina Brzuska and Arno Mittelbach
Abstract: In a recent celebrated breakthrough, Garg et al. (FOCS 2013) gave the first candidate for so-called indistinguishability obfuscation (... | 2019-01-22T07:59:42 | {"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://video.ias.edu/csdm?page=8 | # Computer Science and Discrete Mathematics (CSDM)
Theoretical Computer Science and Discrete Mathematics
## On the number of ordinary lines determined by sets in complex space
Shubhangi Saraf
Rutgers University
December 5, 2016
Consider a set of $n$ points in $\mathbb R^d$. The classical theorem of Sylvester-Gallai ... | 2018-11-19T09:32:02 | {"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... |
https://math.stackexchange.com/questions/819970/discontinuous-characters-on-locally-compact-abelian-groups | # Discontinuous characters on locally compact abelian groups
I'm doing some reading out of Rudin's Fourier Analysis on Groups and Folland's Abstract Harmonic Analysis for research. Particularly I am on characters and dual groups and I've noticed that neither author delves into any detail about discontinuous characters... | 2019-06-19T17:45:11 | {"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... |
http://www.physicsforums.com/showthread.php?t=171991 | # Free fall Experiment Help
by bilalbajwa
Tags: experiment, fall, free
P: 560 I think you are getting there and probably understand. But anyways, the AVERAGE velocity of an object over a specific time interval (under constant acceleration) is $$v_{ave}=\frac{v_{i}+v_{f}}{2}$$ Since Vi is 0 in your the case of your ob... | 2014-07-29T12:49:14 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://planetmath.org/proofofspaceshomeomorphictobairespace | # proof of spaces homeomorphic to Baire space
We show that a topological space $X$ is homeomorphic to Baire space, $\mathcal{N}$, if and only if the following are satisfied.
1. 1.
It is a nonempty Polish space.
2. 2.
3. 3.
No nonempty and open subsets are compact.
As Baire space is easily shown to satisfy these p... | 2018-11-21T18:54:55 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 77, "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.ideals.illinois.edu/handle/2142/29731 | ## Files in this item
FilesDescriptionFormat
application/pdf
Dolence_Joshua.pdf (13MB)
(no description provided)PDF
## Description
Title: Self-consistent dynamical and radiative models of low-luminosity active galactic nuclei Author(s): Dolence, Joshua C. Director of Research: Gammie, Charles F. Doctoral Committe... | 2018-07-21T09:23:12 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://www.physicsforums.com/showpost.php?p=2242050&postcount=3 | View Single Post
P: 341 If you write a little bit more prettier, you can define a new B matrix as $\hat B \hat B^T = \left[\begin{array}{cc}B_1 &B_2\end{array}\right]\left[\begin{array}{cc}\gamma &0\\0 &R^{-1}\end{array}\right]\left[\begin{array}{cc}B_1 &B_2\end{array}\right]^T$ Now, your $$\hat B$$ is going to be $\h... | 2014-09-02T23:55:14 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://escholarship.org/uc/item/3gg8t9xw | Open Access Publications from the University of California
## ATLAS Measurements of the Higgs Boson Coupling to the Top Quark in the Higgs to Diphoton Decay Channel
• Author(s): Dickinson, Jennet Elizabeth
During Run 2 of the Large Hadron Collider, the ATLAS experiment recorded proton--proton collision events with a ... | 2021-09-19T18:14:07 | {"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... |
http://mathematica.stackexchange.com/tags/linear-algebra/hot?filter=all | # Tag Info
43
Mathematica is every bit as fast as Matlab for these types of computations. The source of the discrepancy arises from the fact that Timing keeps track of total time used by all processors when Mathematica distributes the computation across them. We can examine a fair comparison using AbsoluteTiming, whi... | 2016-06-01T01:41:28 | {"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": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://gmatclub.com/forum/what-is-the-largest-power-of-3-contained-in-103525.html | GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 18 Nov 2019, 03:47
### 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... | 2019-11-18T10:47:51 | {"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://bookdown.org/sestelo/sa_financial/notation.html | ## 5.2 Notation
Suppose that an individual may experience $$K$$ consecutive events at times $$T_1<T_2<\cdot\cdot\cdot<T_K=T$$, which are measured from the start of the follow-up.
Here different methods are proposed to estimate conditional survival probabilities such as $$P(T_2 > y \mid T_1 > x)$$ or $$P(T_2 > y \mid ... | 2020-02-27T20:20:10 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://iq.opengenus.org/minimax-theorem-algorithm-von-neumann/ | # Von Neumann's Minimax Theorem/ algorithm
#### game theory minimax theorem List of Mathematical Algorithms minimax algorithm von neumann
Reading time: 25 minutes | Coding time: 10 minutes
Ever since the idea of artificial intelligence dawned upon the humanity, the basic concept of playing games against an unbeatabl... | 2020-10-27T15:46:39 | {"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... |
http://ebscr.net/anf6iv/bp-344-ramp-slope-d22a8c | Subject: BP 344 Answer the questions with the given choices. As a minor slope (5degrees) would only effect 10% … The tag could could start to report [no slope] again. Just remember to avoid obstacles and those red blocks. Avoid using D ramp may be … More Buying Choices $339.99 (2 new offers) bROK Loading Ramp 8-inch ki... | 2021-10-25T19:54:42 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://www.iam.fmph.uniba.sk/institute/forum/viewtopic.php?t=116 | ## Seminar 12.10.2017: Jin Takahashi
Seminar on Qualitative Theory of Differential Equations
organized by P.Quittner, M.Fila and R.Kollar
Moderator: sevcovic
### Seminar 12.10.2017: Jin Takahashi
Seminár z kvalitatívnej teórie diferenciálnych rovníc
Seminar on Qualitative Theory of Differential Equations
Thursday ... | 2018-02-25T01:30:43 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.stackexchange.com/questions/431074/power-set-and-set-of-all-mappings | Power set and set of all mappings
I'm working with the Terence Tao's Analysis book. And I have a question in the part of set theory.
As power set axiom, Tao use the set of all function: "If X, and Y be sets. Then there exist a set which consist of all the functions from X to Y."
Using that axiom and the replacement ... | 2020-06-05T20:07:01 | {"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://zbmath.org/?q=an%3A1221.05196 | # zbMATH — the first resource for mathematics
On the eigenvalues of Cayley graphs on the symmetric group generated by a complete multipartite set of transpositions. (English) Zbl 1221.05196
Summary: Given a finite simple graph $$\mathcal G$$ with $$n$$ vertices, we can construct the Cayley graph on the symmetric group... | 2021-06-17T09:22:39 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/expected-value.78274/ | # Expected Value
1. Jun 7, 2005
### jetoso
Let X be a random variable with Uniform(0,1) distribution. Let Y = X^2 + 1. Compute E[Y].
The question here is if I should compute the expected value of Y integrating from 0 to 1 for x(x^2 + 1)dx?
2. Jun 7, 2005
### juvenal
Two ways to do it:
1. Calculate the expected v... | 2018-11-16T11:24:05 | {"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://physics.stackexchange.com/questions/408134/why-cant-we-define-fundamental-unit-of-mass/408141 | # Why can't we define fundamental unit of mass? [duplicate]
In my physics textbook of class $11^{th}$ The kilogram was defined as :-
mass of the platinum-iridium standard cylinder kept at Sevre's France
But this isn't a proper and scientific definition of an important fundamental unit.
When we have advanced so much ... | 2019-12-10T11:29:54 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://aprendeconalf.es/office/excel/manual/formulas.html | Spreadsheets are used mainly for doing calculations and one of the most powerful features of spreadsheets are calculation formulas. In this section we will see how to use them.
## Enter formulas
To enter a formula in a cell always start typing an equal sign = and then the formula expression.
Formula expressions can ... | 2018-12-11T22:15:55 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://zbmath.org/?q=an:1114.65370 | zbMATH — the first resource for mathematics
Examples
Geometry Search for the term Geometry in any field. Queries are case-independent. Funct* Wildcard queries are specified by * (e.g. functions, functorial, etc.). Otherwise the search is exact. "Topological group" Phrases (multi-words) should be set in "straight quot... | 2016-05-01T09:54:56 | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://www.emathhelp.net/en/calculators/algebra-2/hyperbola-calculator/ | # Hyperbola Calculator
This calculator will find either the equation of the hyperbola from the given parameters or the center, foci, vertices, co-vertices, (semi)major axis length, (semi)minor axis length, latera recta, length of the latera recta, focal parameter, focal length, eccentricity, linear eccentricity, direc... | 2022-01-18T22:07:08 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 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://sci-gems.math.bas.bg/jspui/handle/10525/2292 | Please use this identifier to cite or link to this item: http://hdl.handle.net/10525/2292
Title: Stochastic Optimization in Robust Statistic Authors: Vandev, D. Keywords: robust estimators of locationleast median of squaresstochastic approximation algorithmMonte - Carlo study Issue Date: 2005 Publisher: Institute of ... | 2022-09-29T07:38:55 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.enotes.com/homework-help/n-5n-2-n-2-2-find-limit-possible-sequence-794157 | # `a_n = (5n^2)/(n^2+2)` Find the limit (if possible) of the sequence.
`a_n = (5n^2)/(n^2+2)`
To determine the limit of this sequence, let n approach infinity.
`lim_(n->oo) a_n`
`=lim _(n->oo) (5n^2)/(n^2+2)`
To solve, factor out the `n^2` in the denominator.
`=lim_(n->oo) (5n^2)/(n^2(1+2/n^2))`
Cancel the commo... | 2022-11-26T09:34:54 | {"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.econometrics-with-r.org/5-htaciitslrm.html | This book is in Open Review. We want your feedback to make the book better for you and other students. You may annotate some text by selecting it with the cursor and then click the on the pop-up menu. You can also see the annotations of others: click the in the upper right hand corner of the page
# 5 Hypothesis Tests ... | 2019-01-22T04:29:26 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://puzzling.stackexchange.com/questions/58641/what-is-his-full-name | # What is his full name?
A smart man meets three smart persons (Raj, Lisa and Nick) for the very first time. They ask him his name.
He writes 12 full names on a piece of paper and puts it in front of them. He says his full name is one of the 12.
Then he separately writes down his first name on a piece of paper and o... | 2019-04-24T00:40:27 | {"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": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.coursehero.com/file/61844260/CA-notes-Dec2019-88555a2d6491274f02a75c4d4be306e11-1pdf/ | # CA_notes_Dec2019_88555a2d6491274f02a75c4d4be306e1(1)...
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This preview shows page 1 - 6 out of 82 pages.
MATH0013 Complex Analysis Autumn 2019 Alexander V. Sobolev D epartment of M athematics , U niversity C ollege L ondon , G ower S treet , L ondon , WC1E 6BT E-mail address : [email protected]
2000 Mathematics... | 2021-09-21T02:59:15 | {"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.codingame.com/training/easy/whats-so-complex-about-mandelbrot | • 190
Goal
The Mandelbrot Set is the most well known set of complex numbers with fractal properties.
Members of the set are the complex numbers c such that the absolute value of the equation f(n) = f(n-1)^2 + c does not diverge as n approaches infinity, with f(0) = 0.
One property of this equation is that if its ab... | 2019-08-23T02:46:36 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.stackexchange.com/questions/3055767/prove-sum-n-1p-1-np-1-equiv-p-1-p-pmod-p2-for-p-b | # Prove $\sum_{n = 1}^{p - 1} n^{p - 1} \equiv (p - 1)! + p \pmod {p^2}$ for $p$ being an odd prime
I need to prove the following:
$$\sum_{n = 1}^{p - 1} n^{p - 1} \equiv (p - 1)! + p \pmod {p^2}$$
...with $$p$$ being an odd prime number. The statement is obviously true for$$\pmod p$$ because left-hand side is congr... | 2019-08-18T06:39:19 | {"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://celeblike.com/how-current-shunts-work/ | # How Current Shunts Work
Current. Too little of it, and you can’t get where you’re going, too much and your hardware’s on fire. In many projects, it’s desirable to know just how much current is being drawn, and even more desirable to limit it to avoid catastrophic destruction. The humble current shunt is an excellent... | 2018-08-21T09:32:12 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 1, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://ams.org/bookstore?fn=20&arg1=conmseries&ikey=CONM-270 | 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... | 2014-09-19T06:28:12 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://zbmath.org/?q=0930.41014 | ## Equivalence of Markov’s and Schur’s inequalities on compact subsets of the complex plane.(English)Zbl 0930.41014
The equivalence of the inequalities of Markov $\|P'\|_{L^q(E)}\leq C_1(\text{deg} P)^{m_1}\|P\|_{L^q(E)}$ and Schur $\|P\|_{L^q(E)}\leq C_2(\text{deg} P)^{m_2}\|(x-x_0)P(x)\|_{L^q(E)}$ ($$x\in{\mathbb C}... | 2022-12-02T17:32:18 | {"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://www.physicsforums.com/threads/is-diborane-lighter-or-heavier-than-air.918422/ | # Is diborane lighter or heavier than air?
Tags:
1. Jun 23, 2017
### xpell
Hi,
I have been reading about diborane (B2H6, a gas at standard conditions) and while the sources provide different density values (!), as in 1.2475 g/L at standard conditions, or 1.18 g/L at 15ºC and 1.216 g/L at 25ºC (sounds crazy?), all o... | 2018-02-21T03:52:06 | {"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": 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/grams-of-n-2-reacts-with-84-29-grams-of-h-2-in-the-chemical-equation-n-2-h-2-nh- | # Grams of N_2 reacts with 84.29 grams of H_2 in the chemical equation: N_2 + H_2-> NH_3 How do you balance the chemical equation and determine the limiting reactant? How much NH_3 is produced?
Jan 6, 2016
$\frac{1}{2} {N}_{2} \left(g\right) + \frac{3}{2} {H}_{2} \left(g\right) \rightarrow N {H}_{3} \left(g\right)$
I... | 2019-12-05T20:12:39 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 8, "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://socratic.org/questions/what-is-the-limit-of-sin-4x-x-1-2-as-x-approaches-infinity | # What is the limit of (sin^4x)/(x^(1/2)) as x approaches infinity?
${\lim}_{x \rightarrow \infty} \frac{{\sin}^{4} x}{{x}^{\frac{1}{2}}} = 0$
$\sin x$ is limited to the range $\left[- 1 , + 1\right]$
$\rightarrow {\sin}^{4} x$ is limited to the range $\left[0 , 1\right]$
$\rightarrow {\sin}^{4} x$ has an upper limit ... | 2022-08-19T11:22:54 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 10, "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://proofwiki.org/wiki/Book:G.E.H._Reuter/Elementary_Differential_Equations_%26_Operators | # Book:G.E.H. Reuter/Elementary Differential Equations & Operators
## G.E.H. Reuter: Elementary Differential Equations & Operators
Published $1958$, Routledge & Kegan Paul.
### Contents
Preface
CHAPTER 1: LINEAR DIFFERENTIAL EQUATIONS WITH CONSTANT COEFFICIENTS
$\S$ 1 THE FIRST ORDER EQUATION
1.1 Introduction
1.2 T... | 2020-01-27T12:42:56 | {"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... |
https://www.algebrapracticeproblems.com/eigenvalues-and-eigenvectors-of-a-matrix/ | # Eigenvalues and eigenvectors of a matrix
On this post we explain what the eigenvalues and the eigenvectors of a matrix are. You will also find examples of how to compute the eigenvalues and the eigenvectors of a matrix, and finally, you have problems with solutions solved step by step to practice.
## What are the e... | 2022-09-27T22:55:18 | {"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://puzzling.stackexchange.com/questions/58554/teacup-geometry/58555 | # Teacup geometry
Inspired by the three utilities puzzle from prog_SAHIL I'm now posting a similar puzzle that makes use of the topology of a cup with a handle:
The question is:
How many distinct points can you draw on the surface of this cup, such that it is possible to connect each point with all other points pair... | 2020-01-20T00:04:16 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://docs.ogc.org/bp/16-011r5.html | Open Geospatial Consortium Submission Date: 2020-01-21 Approval Date: 2020-08-24 Publication Date: 2021-02-26 External identifier of this OGC® document: http://www.opengis.net/doc/BP/CDB-SRF/1.2 Internal reference number of this OGC® document: 16-011r5 Version: 1.2 Category: OGC® Best Practice Editor: ... | 2021-04-16T14:12:47 | {"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... |
http://iglesiaemmanuel.com/p1ezi/hybridization-of-%E2%80%95c%E2%89%A1ch%3A-20c2c6 | When carbon atoms make use of sp2 hybrid orbitals for sigma bonding, the three bonds lie on the same plane. Planar $$\ce{-C}\textrm{<}$$ bonds due to sp2 hybridized orbitals. The following are some of these compounds: During the lecture on covalent bonding, we can illustrate how atomic orbitals overlap in the formation... | 2021-05-18T23:23:40 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://wikidoc.org/index.php/Thermodynamics | # Thermodynamics
Thermodynamics (from the Greek θερμη, therme, meaning "heat" and δυναμις, dynamis, meaning "power") is a branch of physics that studies the effects of changes in temperature, pressure, and volume on physical systems at the macroscopic scale by analyzing the collective motion of their particles using s... | 2017-05-24T07:54:56 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 5, "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://mathoverflow.net/revisions/41353/list | 2 added 7 characters in body
This must be common knowledge.
Where exactly in the development of homological algebra does one need the axiom that makes additivecategories pre-abelian and abelian categories different? (I mean this statement: for every morphism $u: X \to Y$, the canonical morphism $\bar{u}: \mathrm{Coim... | 2013-05-19T07:07:05 | {"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://pi2-docs.readthedocs.io/en/latest/examples/ex_levelset_fill_cavity.html | # Filling a cavity with a level set method¶
This example shows how to fill a concave cavity using a level set method.
def levelset_fill_cavity():
"""
Demonstrates how to fill a non-convex cavity using a level-set method.
"""
# Create an image that contains a rectangle with a cavity in its edge.
# For this example we... | 2023-03-31T09:21:03 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.trustudies.com/question/2605/q-5-the-odometer-of-a-car-reads-57321/ | # Q.5 The odometer of a car reads 57321.0 km when the clock shows the time 08:30 AM. What is the distance moved by the car, if at 08:50 AM, the odometer reading has changed to 57336.0 km? Calculate the speed of the car in km/min during this time. Express the speed in km/h also.
Initial reading of the odometer = 57321.... | 2021-05-09T19:54:03 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/complex-numbers-linear-algebra-s.336056/ | # Complex numbers + linear algebra = :S
## Homework Statement
Find all complex numbers Z (if any) such that the matrix: (it is 2 by 2)
(2)(-1)
(4)(2)
multiplied by a vector V = ZV has a nonzero solution V.
part b)
for each Z that you found, find all vectors V such that (the same matrix)*V=ZV.
## The Attempt at a... | 2021-09-19T14:58:31 | {"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://elib.mi.sanu.ac.rs/pages/browse_issue.php?db=nsjom&rbr=76 | eLibrary of Mathematical Instituteof the Serbian Academy of Sciences and Arts
> Home / All Journals / Journal /
Novi Sad Journal of MathematicsPublisher: Department of Mathematics and Informatics, Faculty of Sciences, Novi SadISSN: 1450-5444 (Print), 2406-2014 (Online)Issue: 42_2Date: 2012Journal Homepage
On compl... | 2020-09-19T07:05:29 | {"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": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.kofastudy.com/courses/jss1-mathematics-2nd-term/lessons/simplification-of-algebraic-expressions-week-2/topic/variables-coefficients-of-algebraic-expressions/ | Back to Course
## JSS1: MATHEMATICS - 2ND TERM
0% Complete
0/0 Steps
#### Quizzes
Lesson 2, Topic 1
In Progress
# Variables & Coefficients of Algebraic Expressions
Lesson Progress
0% Complete
In Mathematics, a variable is a quantity that can change. Letters are used to represent these changing, unknown quantitie... | 2023-04-02T02:45:17 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.yourdatateacher.com/2021/03/29/an-introduction-to-linear-models/ | # An introduction to linear models
Linear models are some of the simplest models in machine learning. They are very powerful and, sometimes, they are really able to avoid overfitting and give us nice information about feature importance.
Let’s see how they work.
## Basic concepts of linear models
All regression lin... | 2022-08-08T08:07:49 | {"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... |
http://openstudy.com/updates/4fad689fe4b059b524f90a86 | ## nickymarden 3 years ago Determine the tangent line to he curve y^2(2-x)=x^3 at the point P(1,1).
1. myko
put it like this: $y=\pm \sqrt{x ^{3}/(2-x)}$ abd find the derivative
2. nickymarden
i did $f(1) =1$ $(f(x))^2.(2-x)=x^3$ and derived it
3. myininaya
$y^2(2-x)=x^3$ $(y^2)'(2-x)+y^2(2-x)'=(x^3)' \text{ prod... | 2016-02-11T10:50:41 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://goldbook.iupac.org/terms/view/A00377 | ## Wikipedia - Antarafacial and suprafacial (en) Wikipedia - Antarafacial e suprafacial (pt) Wikipedia - Suprafacial und Antarafacial (de) Wikipedia - Suprafaciální a antarafaciální (cs) Wikipedia - Антарафасіальна реакція (uk) Wikipedia - Антарафасіальний і супрафасіальний (uk) antarafacial
Also contains definition o... | 2022-12-08T03:22:50 | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://jbrconsultant.com/class-12-electrostatic-potential-and-capacitance-mcq/ | # Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance MCQ
Class 12 Electrostatic Potential and Capacitance MCQ are one of the best strategies to prepare for the CBSE Class 12 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students... | 2022-05-24T18:01:13 | {"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://www.solipsys.co.uk/cgi-bin/sews.py?ImaginaryNumber | Imaginary Number
No ordinary, "real" number can give a negative result when squared. Hence the equation $x^2+4=0$ has no solution.
The imaginary number $i$ has the property $i^2=-1$ | 2020-06-07T08:37:15 | {"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": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.clutchprep.com/physics/practice-problems/142075/find-the-torque-about-p-due-to-f-your-answer-should-correctly-express-both-the-m | Intro to Torque Video Lessons
Concept
# Problem: Find the torque about p due to F. Your answer should correctly express both the magnitude and sign of torque. Express your answer in terms of rm and F or in terms of r, θ, and F.
###### FREE Expert Solution
Torque:
$\overline{){\mathbf{\tau }}{\mathbf{=}}{\mathbf{r}... | 2020-11-27T13:49:57 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 1, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.khanacademy.org/math/algebra/algebra-functions/recognizing-functions-ddp/e/recog-func-2 | # Recognize functions from graphs
Determine whether a given graph represents a function.
### Problem
Consider the graph below, which shows a relation between the variables x and y.
Does this graph represent a function?
Please choose from one of the following options. | 2016-07-31T01:49:44 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 2, "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://community.wolfram.com/groups/-/m/t/1293206 | # [✓] Write a matrix multiplication with indefinite limits?
Posted 1 year ago
1129 Views
|
4 Replies
|
1 Total Likes
|
Hello, I need to find an answer to this problem. Let G(t) be a nxn matrix. I need to calculate G(t-1)xG(t-2)x...xG(2)xG(1) where x is the usual matrix multiplication. I can't use the function Product... | 2019-03-26T00:52:26 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://www.impan.pl/cgi-bin/dict?reflect | ## reflect
Strictly speaking, we should write something like $a(l,m,n)$ to reflect the dependence; we shall rely upon context instead.
If $s_0$ lies below $R_{-2}$, then we can reflect about the real axis and appeal to the case just considered. | 2016-02-13T04:28:43 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://mathoverflow.net/questions/225172/how-large-can-the-smallest-generating-set-of-a-group-g-of-order-n-be/225180 | # How large can the smallest generating set of a group $G$ of order $n$ be?
Let $n$ be a natural number. For every group $G$ of order $n$, denote
$d(G)$ : The number of elements of the smallest generating set of $G$
How large is the maximum possible value of $d(G)$ depending on $n$ ?
If $n$ is a cyclic number, we h... | 2020-07-11T09:04:01 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://fromdata.org/2013/10/27/the-continuous-breeders-equation/ | # The Continuous Breeder's Equation
The Breeder's Equation has always fascinated me. I worked a bit with this equation in graduate school, and now that I'm free to work with whatever interests me at the moment, so I thought I would bring this back up. This equation is as follows:
$R=h^{2}S$
This equation tells us th... | 2017-07-27T06:46:02 | {"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": 15, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://mathhelpforum.com/algebra/196126-graphs-functions.html | Math Help - Graphs & Functions
1. Graphs & Functions
Hi Guys
I missed a week of school due to going on a holiday and i got a maths test this wednesday, which the teacher is not giving me extra time to study for. He gave 2 practice questions on what we have been doing, but not a worked out example. If you guys can pl... | 2016-02-09T04:48:59 | {"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": 0, "img_math": 0, "codecogs_latex": 6, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://nbviewer.jupyter.org/github/gpeyre/numerical-tours/blob/master/matlab/graphics_7_shape_shading.ipynb |
This tour explores the resolution of the shape from shading inverse problem using Fast Marching.
In [2]:
addpath('toolbox_signal')
## Forward Image Formation¶
We consider here a simplified imaging system where the camera performs an orthogonal projection and the lighting is orthogonal to the camera focal plane and... | 2018-12-14T01:11:45 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://thatsmaths.com/tag/fourier-analysis/ | ## Posts Tagged 'Fourier analysis'
### Making Sound Pictures to Identify Bird Songs
Top: Audio signal with three chirps. Bottom: Time-Frequency spectrogram of signal.
A trained musician can look at a musical score and imagine the sound of an entire orchestra. The score is a visual representation of the sounds. In an... | 2023-03-30T04:45:46 | {"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": 1, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://calendar.math.illinois.edu/?year=2017&month=10&day=25&interval=day | Department of
# Mathematics
Seminar Calendar
for events the day of Wednesday, October 25, 2017.
.
events for the
events containing
Questions regarding events or the calendar should be directed to Tori Corkery.
September 2017 October 2017 November 2017
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr S... | 2019-03-22T04:27:28 | {"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": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/limit-of-cos-x-x-and-sec-x-x.746876/ | # Limit of cos(x)/x and sec(x)/x
1. Apr 3, 2014
### Jhenrique
1. The problem statement, all variables and given/known data
Compute: $$\lim_{x \to 0} = \frac{\cos(x)}{x}$$ $$\lim_{x \to 0} = \frac{\cosh(x)}{x}$$ $$\lim_{x \to 0} = \frac{\sec(x)}{x}$$ $$\lim_{x \to 0} = \frac{sech(x)}{x}$$
2. Relevant equations $$\li... | 2017-10-20T00:17:46 | {"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": 2, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://onemathematicalcat.org/Math/Precalculus_obj/graphOfSecant.htm | # GRAPH OF THE SECANT FUNCTION
by Dr. Carol JVF Burns (website creator)
Follow along with the highlighted text while you listen!
• PRACTICE (online exercises and printable worksheets)
This section discusses the graph of the secant function (shown below).
For ease of reference, some material is repeated from the Trig... | 2023-02-06T17:00:01 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.physicsforums.com/threads/why-learn-integration-techniques.237131/ | # Why learn integration techniques?
1. May 26, 2008
### ice109
if most integrals aren't integrable to and can be evaluated numerically to any degree of accuracy why learn these esoteric techniques at all?
2. May 26, 2008
### matt grime
Why bother learning any maths if a computer can solve it all numerically....?
... | 2018-02-20T02:56:15 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.stackexchange.com/questions/805631/prove-identity-involving-the-tsallis-q-logarithm | # Prove identity involving the Tsallis q-logarithm
The natural logarithm and the exponential can both be generalized to a called q-logarithms and q-exponentials.those functions are defined as follows: \begin{eqnarray} \log_q(x) &:=& \frac{x^{1-q} - 1}{1 - q} \\ \exp_q(x) &:=& \left(1 + (1-q) x\right)^{\frac{1}{1-q}} \... | 2019-12-12T01:07:09 | {"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... |
https://www.math.ucdavis.edu/research/seminars?talk_id=2459 | # Mathematics Colloquia and Seminars
### Lie Algebra Cohomology and Laplace Operators
Algebra & Discrete Mathematics
Speaker: Dmitry Fuchs, UC Davis Location: 2112 MSB Start time: Fri, Apr 17 2009, 1:10PM
This is a joint work with Connie Wilmarth.
Let {C_i,∂_i: C_i → C_{i-1}} be an arbitrary complex over $\bb R$,... | 2021-07-28T14:21:11 | {"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://gmatclub.com/forum/the-triangle-in-the-figure-above-has-two-sides-extended-as-shown-what-246645.html | GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 22 Apr 2019, 09:35
### 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... | 2019-04-22T16:35:59 | {"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... |
https://indico.fysik.su.se/event/2219/timetable/?view=standard_numbered | Conference on Frontiers in Quantum Gases Liquids and Solids
Europe/Stockholm
NORDITA
NORDITA
Roslagstullsbacken 23, 106 91 Stockholm, Sweden
, , , ,
Description
This conference is a part of the NORDITA program on "Quantum solids, liquids, and gases" and will focus on frontiers in physics of quantum solids, liquids a... | 2022-08-09T13:55:18 | {"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... |
http://mathhelpforum.com/differential-equations/84644-help-solving-problem.html | # Thread: help solving this problem
1. ## help solving this problem
hi, i need help solving this problem, i have no clue how to do it. Thank you
y(1+2xy)dx+x(1-2xy)dy=0
2. Originally Posted by uga75
hi, i need help solving this problem, i have no clue how to do it. Thank you
y(1+2xy)dx+x(1-2xy)dy=0
Try $u = xy$. Y... | 2016-08-27T12:40:52 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 1, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://christopherolah.wordpress.com/tag/topology/ | ## Posts Tagged ‘topology’
### Rethinking Topology (or a Personal Topologodicy)
April 18, 2011
(This document was typeset in unicode. This may cause problems for some people. A PDF is available as an alternative for them.)
When I was originally introduced to topology, I simply accepted most of its properties as gen... | 2013-05-24T02:46:53 | {"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": 1, "img_math": 22, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://math.stackexchange.com/questions/270684/mean-value-theorem-limit-question | # Mean Value Theorem limit question
Suppose that $f(x)$ is continuous on $[a,b]$ and differentiable on $(a,b)$. Then, by the mean value theorem, $\forall x\in(a,b]$ $\exists c\in(a,x)$ such that $f '(c)=(f(x)-f(a))/(x-a)$.
It seems to me that, since $c\in(a,x)$, as $x$ goes to $a$ from the right, $c$ must also "go to... | 2014-10-31T14:35:29 | {"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": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://cms.math.ca/cjm/msc/58E50?fromjnl=cjm&jnl=CJM | Morse index of approximating periodic solutions for the billiard problem. Application to existence results This paper deals with periodic solutions for the billiard problem in a bounded open set of $\hbox{\Bbbvii R}^N$ which are limits of regular solutions of Lagrangian systems with a potential well. We give a precise ... | 2014-03-08T00:38:39 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.simscale.com/knowledge-base/basic-geometry-requirements-for-pedestrian-wind-comfort/ | Required field
Required field
Required field
Required field
Documentation
# Basic Geometry Requirements for Pedestrian Wind Comfort
Pedestrian wind comfort analysis in SimScale is based upon the Lattice Boltzmann Solver by Pacefish®$$^1$$ and therefore has few geometry requirements in terms of quality, and by that, ... | 2022-10-04T16:09:19 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 2, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://astronomy.stackexchange.com/questions/20678/finding-the-lens-diameter-of-a-telescope-by-magnitude | # Finding the lens diameter of a telescope by magnitude
We have a telescope that can see stars with about +14 magnitude. how to find its lens (or mirror) diameter? (I mean the $D$ in formula $\theta = 1.22 \lambda / D$)
I don't know whether I can assume that the temperature of star is equal to temperature of the sun ... | 2021-10-27T23:50:16 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://math.stackexchange.com/questions/1353265/singularities-of-an-integral | # Singularities of an integral
We have the integral :
$$I(t)=-i\int_0^\infty \frac{\log\left[\frac{\sin(t\log\sqrt{1+ix})}{\log(1+ix)} \right ]-\log\left[\frac{\sin(t\log\sqrt{1-ix})}{\log(1-ix)} \right ]}{e^{2\pi x}-1} \, dx$$
I have tried everything to compute the integral, but it seems it's not doable in terms of... | 2020-01-23T20:13:20 | {"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://stats.stackexchange.com/questions/78321/term-frequency-inverse-document-frequency-tf-idf-weighting | Term frequency/inverse document frequency (TF/IDF): weighting
I've got a dataset which represents 1000 documents and all the words that appear in it. So the rows represent the documents and the columns represent the words. So for example, the value in cell $(i,j)$ stands for the times word $j$ occurs in document $i$. ... | 2019-07-16T20:36:42 | {"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... |
https://mathoverflow.net/questions/300575/is-there-a-connected-t-2-topology-on-mathbbq-that-is-coarser-than-the-euc | # Is there a connected $T_2$-topology on $\mathbb{Q}$ that is coarser than the Euclidean one?
Let $\mathbb{Q}$ be the rationals, and let $\tau$ be the Euclidean topology on $\mathbb{Q}$. Is there a topology $\tau' \subseteq \tau$ such that $(\mathbb{Q},\tau')$ is connected and $T_2$?
Using Sierpinski's topological ch... | 2019-12-09T09:37:57 | {"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... |
https://brilliant.org/problems/an-electricity-and-magnetism-problem-by-rishabh-2/ | # An electricity and magnetism problem by Rishabh Deep Singh
If the equivant capacitance between the points $$A$$ and $$B$$ is of the form $$\dfrac pq$$, where $$p$$ and $$q$$ are coprime positive integers, find $$p+q$$.
× | 2017-01-23T06:48:38 | {"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": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://study.com/academy/answer/in-a-manufacturing-process-a-random-sample-of-36-manufactured-bolts-has-a-mean-length-of-3-cm-with-a-standard-deviation-of-0-3-cm-what-is-the-99-percent-confidence-interval-for-the-true-mean-length.html | In a manufacturing process, a random sample of 36 manufactured bolts has a mean length of 3 cm...
Question:
In a manufacturing process, a random sample of 36 manufactured bolts has a mean length of 3 cm with a standard deviation of 0.3 cm. What is the 99 percent confidence interval for the true mean length of the man... | 2019-08-19T20:20:17 | {"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://mathoverflow.net/feeds/user/5309 | User makhalan duff - MathOverflow most recent 30 from http://mathoverflow.net 2013-05-21T06:25:39Z http://mathoverflow.net/feeds/user/5309 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/130770/can-group-cohomology-be-interpreted-as-an-obstruction-to-lifts Can group cohomology be... | 2013-05-21T06:25:36 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://theinfolist.com/html/ALL/s/Group_isomorphism.html | TheInfoList
In
abstract algebra In algebra, which is a broad division of mathematics, abstract algebra (occasionally called modern algebra) is the study of algebraic structures. Algebraic structures include group (mathematics), groups, ring (mathematics), rings, field (mathema ...
, a group isomorphism is a
function F... | 2022-07-05T19:03:30 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 134, "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/m... |
https://ftp.aimsciences.org/article/doi/10.3934/proc.2015.0185 | Article Contents
Article Contents
# Construction of highly stable implicit-explicit general linear methods
• This paper deals with the numerical solution of systems of differential equations with a stiff part and a non-stiff one, typically arising from the semi-discretization of certain partial differential equations... | 2023-03-20T20:03:41 | {"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": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://physics.stackexchange.com/questions/524703/integration-and-average-in-physics | # Integration and average in physics? [closed]
Many applications of physics theory involve computations of integrals. Examples are voltage, force due to liquid pressure, surfaces...
In some cases, when there is linear dependence between two terms - I guess -, the integral is exactly equal to the mean value of the ext... | 2020-02-17T19:59:18 | {"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": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/advanced-algebra/120637-exam-study-guide-help.html | # Thread: Exam study guide help
1. ## Exam study guide help
This is of my final study guide, and Im confused by the question please help....
For $H,K \leq G$ Set $H$~ $K$ when for some $g \in G, K = g^{-1} Hg$
Finish the Statement: "|[ $H$]_~| = 1 $\iff$ $H$ is...." and justify your answer
2. Originally Posted by ... | 2016-12-07T10:51:09 | {"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": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 16, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://scipost.org/submissions/2007.11711v2/ | # Quantum hypothesis testing in many-body systems
### Submission summary
As Contributors: Victor Godet · Jani Kastikainen Arxiv Link: https://arxiv.org/abs/2007.11711v2 (pdf) Code repository: https://github.com/victorgodet/quantum-hypothesis-testing Date submitted: 2020-08-21 09:30 Submitted by: Godet, Victor Submit... | 2021-05-09T17:31:45 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://daijiang.name/en/2014/06/05/phylogenetic-signal-of-trait/ | # Phylogenetic signal of functional trait
This is my reading notes for Functional and Phylogenetic Ecology in R by Nathan Swenson. This post will be updated later after I learned more about this topic. Data can be found at here
## Phylogenetic signal
Niche Conservatism: Closely related species are found to be ecolog... | 2021-09-23T14:43:58 | {"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": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.lmfdb.org/ModularForm/GL2/Q/holomorphic/1100/2/a/e/ | # Properties
Label 1100.2.a.e Level 1100 Weight 2 Character orbit 1100.a Self dual yes Analytic conductor 8.784 Analytic rank 0 Dimension 1 CM no Inner twists 1
# Related objects
## Newspace parameters
Level: $$N$$ $$=$$ $$1100 = 2^{2} \cdot 5^{2} \cdot 11$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $... | 2020-09-21T19:29:14 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://blog.shahadmahmud.com/byte-pair-encoding-and-subword-tokenization/ | # Byte Pair Encoding (BPE) and Subword Tokenization
In almost every application related to NLP, we use text as a part of the data. To the models, the input is generally a list of words or sentences like “We will live on Mars soon”. To a model, we feed the text as a sequence of tokens. The tokens can be characters, spa... | 2022-01-22T20:22:19 | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 1, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
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