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http://blog.myrank.co.in/instantaneous-velocity-and-speed/ | # Instantaneous Velocity and Speed
Instantaneous velocity: It is defined as the rate of change of position for a time interval which is very small almost zero. Beside Instantaneous velocity, average velocity is a way of defining how fast a body is moving. But average velocity is only the average of the velocity of bod... | {"extraction_info": {"found_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://papers.nips.cc/paper/2018/hash/b4a721cfb62f5d19ec61575114d8a2d1-Abstract.html | #### Authors
Jianqiao Zhu, Adam Sanborn, Nick Chater
#### Abstract
Both resources in the natural environment and concepts in a semantic space are distributed "patchily", with large gaps in between the patches. To describe people's internal and external foraging behavior, various random walk models have been proposed... | {"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://asmedigitalcollection.asme.org/turbomachinery/article/145/6/061017/1156453/Experimental-Study-of-Impact-of-In-Service | ## Abstract
In this paper we experimentally evaluate the impact of in-service deterioration on the aerodynamic performance of heavily film-cooled high-pressure nozzle guide vanes from large civil jet engines. We study 15 mid-life to end-of-life parts removed from operational engines, and compare their performance to t... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 70, "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://openphysicsjournal.com/VOLUME/1/PAGE/28/FULLTEXT/ | # Double Logarithms Resummation in Exclusive Processes: The Surprising Behavior of DVCS§
T. Altinoluk1, *, B. Pire2, L. Szymanowski3, S. Wallon44
1 Departamento de Fisica de Particulas and IGFAE, Universidade de Santaigo de Compostela, E-15782 Santiago de Compostela, Galicia, Spain
2 CPhT, École Polytechnique, CNRS, F... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 51, "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.thejournal.club/c/paper/276/ | #### A variant of the Recoil Growth algorithm to generate multi-polymer systems
##### Florian Simatos
The Recoil Growth algorithm, proposed in 1999 by Consta et al., is one of the most efficient algorithm available in the literature to sample from a multi-polymer system. Such problems are closely related to the gener... | {"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://homework.cpm.org/category/CC/textbook/CCA2/chapter/Ch4/lesson/4.2.2/problem/4-84 | ### Home > CCA2 > Chapter Ch4 > Lesson 4.2.2 > Problem4-84
4-84.
Solve each of the following inequalities. Express the solutions algebraically and on a number line.
1. $3x-5\le7$
Solve the equation $3x-5\le7$ for $x$. Plot the boundary point on a number line. Test a point on each side of the boundary point. Shade t... | {"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... |
http://mathoverflow.net/questions/52931/point-on-a-line-nearest-a-point-in-banach-space/52939 | # Point on a line nearest a point in Banach space
I have a Banach space geometry question (a curiosity-driven spin-off from a research topic). Given a point $x$ on the unit sphere of a Banach space and a vector $y\ne 0$, there is a multiple $t_0y$ of $y$ for which $\|t_0y-x\|$ is minimized (this will be unique if the ... | {"extraction_info": {"found_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/math-topics/62120-finding-primes.html | # Math Help - finding primes
1. ## finding primes
How many primes are in the form 4n^8+1, where n is a positive integer?
*show working n explanation, PLS...
2. Hello
n=5p (where p is an integer) is a necessary condition but I do not know if it is a sufficient condition
If n=5p+1
Then n^8=(5p+1)^8=5P+1
Therefore 4n... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://www.physicsforums.com/threads/cumulative-distribution-and-density-functions.689221/ | # Cumulative distribution and density functions
1. May 1, 2013
### EngnrMatt
1. The problem statement, all variables and given/known data
Let X be a random variable with probability density function:
0.048(5x-x2) IF 0 < x < 5
0 otherwise
Find the cumulative distribution function of X
a) If x ≤ 0, then F(x) =
b... | {"extraction_info": {"found_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://cs.nyu.edu/crg/newAbstracts/vinod_abstract_9_17_08.html | Vinod Vaikuntanathan
IBM Watson
TITLE:
Trapdoors for Hard Lattices and New Cryptographic Constructions
ABSTRACT:
We show how to construct a variety of trapdoor'' cryptographic tools
assuming the worst-case hardness of standard lattice problems (such as
approximating the shortest nonzero vector to within small
factors... | {"extraction_info": {"found_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://testbook.com/question-answer/the-equation-of-the-line-when-the-portion-of-it-i--5eba8b45f60d5d76ccb8a96e | # The equation of the line, when the portion of it intercepted between the axes is divided by the point (2, 3) in the ratio of 3 : 2 is
This question was previously asked in
NDA (Held On: 22 April 2018) Maths Previous Year paper
View all NDA Papers >
1. Either x + y = 4 or 9x + y = 12
2. Either x + y = 5 or 4x + 9y = ... | {"extraction_info": {"found_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://aliquote.org/micro/2019-05-25-20-11-02/ | # aliquot
## < a quantity that can be divided into another a whole number of time />
An ode to DEK and TeX: The Lingua Franca of LaTeX (via HN). | {"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://blog.cdmansfield.com/tag/partial-derivatives/ | February 14, 2012 Tagged with: , ,
When I took my process thermodynamics course as an undergraduate student, I was told to use what I had initially considered to be a completely redundant notation for partial derivatives for thermodynamic potentials. The notation involved wrapping the partial derivative in a set of ... | {"extraction_info": {"found_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": 1, "mimetex.cgi": 0, "/images/mat... |
https://educatingphysics.com/gcse/electricity/experimenting-with-resistance/ | Objectives:
• To be able to define resistance
• To be able to select and use the equation for resistance $R = \frac{V}{I}$
• To state and use Ohm’s law
• To describe the I–V characteristics of a resistor at constant temperature and a bulb where the temperature varies (the bulb will largely will covered in the next le... | {"extraction_info": {"found_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": 2, "mimetex.cgi": 0, "/images/mat... |
https://www.gradesaver.com/textbooks/math/calculus/calculus-8th-edition/chapter-14-partial-derivatives-14-1-functions-of-several-variables-14-1-exercises-page-942/61 | ## Calculus 8th Edition
This function is presented on the graph $C$ and its level curves are on the graph II. This is because this function is periodical in the product of $xy$. This product grows most rapidly along the lines $x=y$ and $x=-y$ and we see that this function oscillates with greatest frequency along these... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://phys.libretexts.org/Bookshelves/Astronomy_and_Cosmology_TextMaps/Map%3A_Stellar_Atmospheres_(Tatum)/7%3A_Atomic_Spectroscopy/7.13%3A_LS-coupling | $$\require{cancel}$$
# 7.13: LS-coupling
Each of the several electrons in an atom has an orbital angular momentum $$\textbf{l}$$ and a spin angular momentum $$\textbf{s}$$, and there are numerous conceivable ways in which the various angular momenta can be coupled together to result in the total electronic angular mo... | {"extraction_info": {"found_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.general-relativity.net/2018/07/commentary-22-xx3-is-c2-function.html | ## Friday, 6 July 2018
### Commentary 2.2 ф(x)=|x^3| is a C^2 function
In section 2.2 on "What is a manifold?" under equation (2.8) he says ф(x)=|x3| is a C2 function because it is infinitely differentiable everywhere except at x=0 where it is differentiable twice but not three times.
I had to think about that one a... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://mathhelpforum.com/calculus/64234-average-cost-problem-simple-but-having-some-trouble.html | # Math Help - average cost problem - simple, but having some trouble
1. ## average cost problem - simple, but having some trouble
Hello everyone! I am having some trouble working out this question:
If a marginal cost function nis c'(q)=6q^2+880 dollars per unit, then the cost to increase production from 6 units to 9... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 8, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.hepdata.net/record/88960 | Event-shape engineering for the D-meson elliptic flow in mid-central Pb-Pb collisions at $\sqrt{s_{\rm NN}} =5.02$ TeV
No Journal Information
The collaboration
Abstract (data abstract)
CERN-LHC. The production yield of prompt D mesons and their elliptic flow coefficient v_{2} were measured with the Event-Shape Enginee... | {"extraction_info": {"found_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://verification.asmedigitalcollection.asme.org/fluidsengineering/article-abstract/113/2/290/410785/Unsteady-Gaseous-Diffusion-Associated-With-a-Fully?redirectedFrom=fulltext | This paper gives an analysis of convective gaseous diffusion into a full cavity behind an oscillating flat-plate hydrofoil in a turbulent flow. The unsteady diffusion theory accounts for fluctuations of cavity gas pressure and length which are assumed to be harmonic oscillations but are not necessarily in phase with th... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://stats.stackexchange.com/questions/386025/why-is-correlation-formula-the-way-it-is-or-say-how-it-formed?noredirect=1 | Why is correlation formula the way it is? Or Say how it formed? [duplicate]
I am really being confused by why the correlation formula is called the correlation of two variables $$X$$ and $$Y$$. Also how is it derived?
The part where we divide covariance by product of standard derivation of $$X$$ and standard derivati... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/advanced-applied-math/280809-does-limit-approximate-zero-set-converge-zero-set.html | # Thread: Does limit of "approximate zero set" converge to the zero set?
1. ## Does limit of "approximate zero set" converge to the zero set?
Let $\displaystyle f:\mathbb{R}^m\rightarrow\mathbb{R}^m$.
Define the zero set by $\displaystyle \mathcal{Z}\triangleq\{x\in\mathbb{R}^m | f(x)=\mathbf{0}\}$ and an $\displayst... | {"extraction_info": {"found_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://science.sciencemag.org/content/early/2012/08/29/science.1228380 | Report
# Kepler-47: A Transiting Circumbinary Multiplanet System
See allHide authors and affiliations
Science 28 Aug 2012:
1228380
DOI: 10.1126/science.1228380
## Abstract
We report the detection of Kepler-47, a system consisting of two planets orbiting around an eclipsing pair of stars. The inner and outer plane... | {"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://planetmath.org/restricteddirectproduct | # restricted direct product
Let $\{G_{v}\}_{v\in V}$ be a collection of locally compact topological groups. For all but finitely many $v\in V$, let $H_{v}\subset G_{v}$ be a compact open subgroup of $G_{v}$. The of the collection $\{G_{v}\}$ with respect to the collection $\{H_{v}\}$ is the subgroup
$G:=\left\{\left... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 25, "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://betterexplained.com/articles/intuitive-trigonometry/ | Trig mnemonics like SOH-CAH-TOA focus on computations, not concepts:
TOA explains the tangent about as well as x2 + y2 = r2 describes a circle. Sure, if you’re a math robot, an equation is enough. The rest of us, with organic brains half-dedicated to vision processing, seem to enjoy imagery. And “TOA” evokes the stunn... | {"extraction_info": {"found_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": 7, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://physics.stackexchange.com/questions/45158/about-the-gauge-invariance-of-chern-simons-theory-in-local-coordinates | # About the gauge invariance of Chern-Simons' theory (in local coordinates)
I am aware of the differential form language proof of the fact that for arbitrary gauge transformations the Chern-Simons' term shifts by a WZW term (on the boundary).
But I am getting confused if in local coordinates I try to prove that under... | {"extraction_info": {"found_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/87600/calculate-all-the-equivalent-martingale-measures?sort=oldest | # calculate all the equivalent martingale measures
Under the assumption of no arbitrage without vanish risk, in an incomplete market $(\Omega,{\cal F}, P)$, the set of equivalent martingale measure is NOT empty, i.e. $\mathcal{P} = \{Q: Q \sim P\}\neq \emptyset$
My question is: in the following simplified market with... | {"extraction_info": {"found_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://quantgirl.blog/fan-charts/ | # Fan Charts
Starting on 7 November 2019, the Bank of England‘s Inflation Report became the Monetary Policy Report. This quarterly publication communicates economic analysis and inflation projections that the Monetary Policy Committee uses to make its interest rate decisions.
Since 1996 the Bank of England (BoE) infl... | {"extraction_info": {"found_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.physicsforums.com/threads/a-power-series-question.84456/ | # A power series question
1. Aug 7, 2005
### complexhuman
Hi
Assuming tan(x) is given by a power series with coefficiants (An). How can it be shown that An = 0 whenever n is even.
Thanks
2. Aug 7, 2005
### LeonhardEuler
I assume you mean a power series centered about x=0. tan(x) is an odd function, i.e. tan(-x)... | {"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://dsp.stackexchange.com/questions/1930/how-to-calculate-the-gain-in-a-bivariate-fft-in-r | How to calculate the gain in a bivariate fft in R?
In Statistica gain is defined as follows:
Gain. The gain value is computed by dividing the cross-amplitude value by the spectrum density estimates for one of the two series in the analysis. Consequently, two gain values are computed, which can be interpreted as the s... | {"extraction_info": {"found_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://web2.0calc.com/questions/knowing-the-diameter-of-6-feet-what-would-be-the-circumference | +0
# Knowing the diameter of 6 feet, what would be the circumference?
0
148
1
Knowing the diameter of 6 feet, what would be the circumference?
Guest Jun 5, 2017
#1
+1
$$\pi * d$$
$$\pi *6$$
$$6\pi$$
6π feet!
Of course, this is assuming that you're talking about a circle.
Guest Jun 6, 2017
edited by Guest Ju... | {"extraction_info": {"found_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-do-you-simplify-16-1-2-2 | Algebra
Topics
# How do you simplify (-16)^(-1/2) ?
Mar 28, 2016
$\pm \frac{1}{4 i}$
#### Explanation:
Consider the example ${x}^{- \frac{1}{2}}$. This is the same as $\frac{1}{\sqrt{x}}$
Now use this approach for your question.
$\text{ } {\left(- 16\right)}^{\frac{1}{2}} = \frac{1}{\sqrt{- 16}}$
Write $- 16 \t... | {"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... |
http://math.stackexchange.com/questions/83926/probability-why-my-solution-doesnt-work-out-p-of-drawing-a-pair | # Probability, why my solution doesn't work out? (P of drawing a pair)
The task is simple, the probability of drawing a pair of cards. You draw two cards from a stack, what is the chance that you get two kings or two fours.
My idea was the following. There are 13 different valued cards. The probability of getting let... | {"extraction_info": {"found_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.intmath.com/plane-analytic-geometry/8-curves-polar-coordinates.php | # 8. Curves in Polar Coordinates
Don't miss the Polar graphs interactive applet.
We'll plot the graphs in this section using a computer. You'll also learn how to sketch some of them on paper because it helps you understand how graphs in polar coordinates work.
Don't worry about all the difficult-looking algebra in t... | {"extraction_info": {"found_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/an-intro-to-real-analysis-question-eazy.431949/ | # An intro to real analysis question. eazy?
1. Sep 24, 2010
### eibon
1. The problem statement, all variables and given/known data
Let f : A -> B be a bijection. Show that if a function g is such that f(g(x)) = x for
all x ϵ B and g(f(x)) = x for all x ϵ A, then g = f^-1. Use only the definition of a
function and t... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://www.physicsforums.com/printthread.php?t=199487 | Physics Forums (http://www.physicsforums.com/index.php)
- Calculus (http://www.physicsforums.com/forumdisplay.php?f=109)
- - What are derivatives and integrals? (http://www.physicsforums.com/showthread.php?t=199487)
The_Z_Factor Nov20-07 10:30 AM
What are derivatives and integrals?
What are they? In my book I... | {"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://docplayer.net/355519-Flow-by-mean-curvature-of-convex-surfaces-into-spheres.html | # FLOW BY MEAN CURVATURE OF CONVEX SURFACES INTO SPHERES
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Start display at page:
Download "FLOW BY MEAN CURVATURE OF CONVEX SURFACES INTO SPHERES"
## Transcription
1 J. DIFFERENTIAL GEOMETRY 20 (1984) FLOW BY MEAN CURVATURE OF CONVEX SURFACES INTO SPHERES GERHARD HUISKEN 1. Introduction The motion of surfac... | {"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://cms.math.ca/cmb/msc/26D15?fromjnl=cmb&jnl=CMB | location: Publications → journals
Search results
Search: MSC category 26D15 ( Inequalities for sums, series and integrals )
Expand all Collapse all Results 1 - 5 of 5
1. CMB 2011 (vol 55 pp. 355)
Nhan, Nguyen Du Vi; Duc, Dinh Thanh
Convolution Inequalities in $l_p$ Weighted Spaces Various weighted $l_p$-n... | {"extraction_info": {"found_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/electromagnetic-waves-radie-antenna-help.289586/ | # Electromagnetic waves radie antenna HELP
1. Feb 3, 2009
### MEAHH
1. The problem statement, all variables and given/known data
A radio-frequency EM plane wave propagates in the +z-direction. A student finds that her portable radio obtains the best reception of the wave when the antenna is parallel to the x--y plan... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://www.gradesaver.com/textbooks/math/algebra/intermediate-algebra-6th-edition/chapter-5-section-5-1-exponents-and-scientific-notation-exercise-set-page-262/22 | ## Intermediate Algebra (6th Edition)
We are asked to evaluate the expression $-5x^{0}$. In general, $a^{0}=1$ when a does not equal 0. Therefore, $-5x^{0}=-5(1)=-5$. Since the term -5 is not in parentheses with the base of the exponent, we evaluate it after evaluating the exponent. | {"extraction_info": {"found_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://dms.umontreal.ca/~mathapp/Archives/Year1516/abs1516/JeffCalder.html | ## Numerical Schemes for the Hamilton-Jacobi Equation Continuum Limit of Non-dominated Sorting
### Jeff CalderDepartment of Mathematics, University of California, Berkeley
Non-dominated sorting arranges a set of points in n-dimensional Euclidean space into layers by repeatedly peeling away the coordinatewise minimal ... | {"extraction_info": {"found_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.itlive.pk/mod/page/view.php?id=122 | ## 20 - Document Map
This feature of Word 2003 will teach you how you can navigate within your document using document maps. | {"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://pruffle.mit.edu/~ccarter/3.21/Lecture_14/ | Last Time
The Position of a Particle Executing a Random Walk
The Probability of Finding a Particle at a Position after a Random Walk
Treating the Concentration as Time-Dependent Probability Distribution
Relating the Self-Diffusivity to a Random Walk
A Puzzle: Why for a random walk is ?
3.21 Spring 2001: Lecture 1... | {"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/708932/what-is-the-role-of-hermitian-hamiltonians-in-relativistic-qft/708933 | What is the role of Hermitian Hamiltonians in relativistic QFT?
In single-particle quantum mechanics, the probability of finding the particle in all space is conserved due to the hermiticity of the Hamiltonians (and remains equal to unity for all times, if normalized).
But in relativistic quantum field theory, partic... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://www.whsmith.co.uk/products/advanced-calculus/9780130652652 | By: Gerald B. Folland (author)Hardback
2 - 4 weeks availability
£68.99
Description
For undergraduate courses in Advanced Calculus and Real Analysis. This text presents a unified view of calculus in which theory and practice reinforce each other. It covers the theory and applications of derivatives (mostly partial),... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://www.contrib.andrew.cmu.edu/~ryanod/?p=1517 | # Chapter 10: Advanced hypercontractivity
In this chapter we complete the proof of the Hypercontractivity Theorem for uniform $\pm 1$ bits. We then generalize the $(p,2)$ and $(2,q)$ statements to the setting of arbitrary product probability spaces, proving the following:
The General Hypercontractivity Theorem Let $(... | {"extraction_info": {"found_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://proofwiki.org/wiki/Vector_Space_has_Basis_between_Linearly_Independent_Set_and_Spanning_Set | # Vector Space has Basis between Linearly Independent Set and Spanning Set
## Theorem
Let $V$ be a vector space over a field $F$.
Let $L$ be a linearly independent subset of $V$.
Let $S$ be a set that spans $V$.
Suppose that $L \subseteq S$.
Then $V$ has a basis $B$ such that $L \subseteq B \subseteq S$.
### Cor... | {"extraction_info": {"found_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://cmurandomized.wordpress.com/2011/02/01/lecture-7-the-local-lemma/ | # CMU Randomized Algorithms
Randomized Algorithms, Carnegie Mellon: Spring 2011
## Lecture #7: The Local Lemma
1. The Local Lemma: Various Forms
The symmetric version of the local lemma we saw in class:
Theorem 1 (Symmetric Form I)
Given a collection of events ${B_1, B_2, \ldots, B_m}$ such that ${\Pr[B_i] \leq p}... | {"extraction_info": {"found_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": 79, "mimetex.cgi": 0, "/images/ma... |
http://math.stackexchange.com/questions/137011/futures-pricing-and-futures-price-process-under-the-real-world-measure/194828 | # Futures pricing and futures price process under the real world measure
This is something that keeps bothering me about the Benchmark approach of Platen, which (very) shortly is as follows: Compare the development of an economic value with a growth optimal portfolio. Taking the expectation in the real world measure $... | {"extraction_info": {"found_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://cypenv.info/and-relationship/expected-return-and-standard-deviation-relationship-to-variance.php | # Expected return and standard deviation relationship to variance
### Measures of Risk - Variance and Standard Deviation
Learning Objectives. Calculate the expected return of an investment portfolio . Learning Objectives. Explain the importance of a stock's variance and standard deviation Variance in Relation to Expe... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://www.physicsforums.com/threads/pressure-and-force-analysis.534667/ | # Pressure and force analysis
1. Sep 28, 2011
### Misr
I don't understand what makes us analyise a certain force in to two perpendicular components
http://library.thinkquest.org/C001429/statics/pressure.htm
[URL]http://library.thinkquest.org/C001429/images/cos.jpg[/URL]
why do we calculate pressure in this image fro... | {"extraction_info": {"found_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/how-to-find-the-plane-at-which-two-hyperplanes-intersect.601258/ | # How to find the plane at which two hyperplanes intersect.
1. Apr 28, 2012
### jenny_shoars
I know that to find the line at which two planes intersect, you can take the cross product of their normal vectors. This gives you a vector parallel to the line. Then you can just find a point which lies on both planes and t... | {"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://lavelle.chem.ucla.edu/forum/viewtopic.php?t=44116 | ## Zero Order Reaction
$\frac{d[R]}{dt}=-k; [R]=-kt + [R]_{0}; t_{\frac{1}{2}}=\frac{[R]_{0}}{2k}$
Emma Scholes 1L
Posts: 62
Joined: Fri Sep 28, 2018 12:18 am
### Zero Order Reaction
What is an example of a zero order reaction?
Cole Elsner 2J
Posts: 88
Joined: Fri Sep 28, 2018 12:25 am
### Re: Zero Order Reaction... | {"extraction_info": {"found_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... |
https://asknigeria.com.ng/topic/4151/teaching-children-how-to-engage-in-useful-discussions | Discussion involves the exchange between people any given idea or topic. It can be formal or informal and can be in large groups or small groups.
It is an effective teaching technique which promote the sharing of information and it involves the student. One of the key ways to promote communication is through discussio... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://www.physicsforums.com/threads/rl-circuit-fun-am-i-drawing-this-circuit-correct-at-different-times.116177/ | # RL circuit fun! am I drawing this circuit correct at different times?
1. Apr 1, 2006
### mr_coffee
Hello eveeryone! exam time monday! Just doing some last checks to make sure i'm understanding this correctly. Here is the directions and circuit:
THe circuit shown below has beeen in the form shown for a very long ti... | {"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://schlitt.info/opensource/blog/0736_highlight_source_code_lines_latex.html | Highlight source code lines in LaTeX - Blog - Open Source - schlitt.info
# schlitt.info - php, photography and private stuff
## Highlight source code lines in LaTeX
I love LaTeX for any kind of text writing (actually typesetting), simply because it creates so nice looking and consistent layouts. And, of course, beca... | {"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://hilbertthm90.wordpress.com/2009/03/05/lying-over-and-going-up/ | # Lying Over and Going Up
If you haven’t heard the terms in the title of this post, then you are probably bracing yourself for this to be some weird post on innuendos or something. Let’s first do some motivation (something I’m not often good at…remember that Jacobson radical series of posts? What is that even used for... | {"extraction_info": {"found_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": 50, "mimetex.cgi": 0, "/images/ma... |
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1d comment Proving harmonic function is zero I think you meant the boundary of omega. Hint: use a connectivity argument. 1d comment Exchanging Series with Integrals: when is it possible? Note that by linearity, it's always possible to do this for fi... | {"extraction_info": {"found_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://assert.pub/papers/1907.06549 | ##### Subgroups of simple primitive permutation groups defined by unordered relations
The problem of describing the invariance groups of unordered relations, called briefly \emph{relation groups}, goes back to classical work by H. Wielandt. In general, the problem turned out to be hard, and so far it has been settled o... | {"extraction_info": {"found_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/particle-in-a-potential-well-gre-93.9954/ | # Particle in a potential well Gre. 93
1. Nov 30, 2003
### yxgao
What concepts are involved here?
93. A particle of mass m moves in the potential shown here. The period of the motion when the particle has energy E is
The potential is V = 1/2kx^2 for x <0 and V= mgx for x > 0.
A. Sqrt[k/m]
B. 2*pi*Sqrt[m/k]
c
. 2*Sq... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://www.physicsforums.com/threads/how-to-solve-a-problem-involving-modulus.675807/ | # How to solve a problem involving modulus
1. Mar 2, 2013
### hackish
Even though this deals with programming an encryption algorithm I feel this is more math based so I'm asking it here.
x=((y mod 380951)*3182) mod 380951
How can I solve for y?
1) the math involved here is limited to integers, so for example div... | {"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://hal.in2p3.fr/in2p3-01301197 | # Nuclear excitations as coupled one and two random-phase-approximation modes
Abstract : We present an extension of the random-phase approximation (RPA) where the RPA phonons are used as building blocks to construct the excited states. In our model, that we call double RPA (DRPA), we include up to two RPA phonons. Thi... | {"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://leanprover-community.github.io/mathlib_docs/algebra/category/Mon/limits.html | # mathlibdocumentation
algebra.category.Mon.limits
# The category of (commutative) (additive) monoids has all limits #
Further, these limits are preserved by the forgetful functor --- that is, the underlying types are just the limits in the category of types.
@[instance]
@[instance]
def Mon.monoid_obj {J : Type u} ... | {"extraction_info": {"found_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.stackexchange.com/users/4686/warren-p?tab=reputation | Warren P
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+5 04:12 upvote How can I explain the scientific basis of the constant speed of light to a $c$-decay proponent?
+5 03:05 upvote How can I explain the scientific basis of the constant speed of light to a $c$-decay propon... | {"extraction_info": {"found_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/explanation-of-superfluidity-in-he-4.586414/ | # Explanation of superfluidity in He-4
1. Mar 12, 2012
### sam_bell
Hi. I was just reading the explanation of superfluidity in He-4 (from the beginning of QFT Methods in Statistical Physics by Abrikosov et. al.). There is something I don't understand. At finite temperatures there is a "gas of excitations", which the... | {"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://mathoverflow.net/questions/205821/around-vop%C4%9Bnka-accessible-category-with-small-full-discrete-subcategories-of-ar | # Around Vopěnka: Accessible category with small full discrete subcategories of arbitrary size?
I believe the model-theoretic version of the question is: is there a theory in finitary first-order logic which has, for each cardinal $\lambda$, a set $C_\lambda$ of $\lambda$-many models, such that if $M,N \in C_\lambda$ ... | {"extraction_info": {"found_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/92223/uniqueness-of-solution-to-1st-order-pdes | # Uniqueness of solution to 1st order pdes
I am given a 1st order partial differential equation $y{\partial \psi\over\partial x}+x{\partial \psi\over\partial y}=0$ subjected to boundary condition $\psi(x,0)=\exp(-x^2)$. I have found that a solution is $\psi(x,y)=\exp(y^2-x^2)$. But I am asked when the solution is uniq... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/algebra/132698-solving-equation-print.html | Solving an Equation
• Mar 8th 2010, 09:36 AM
StephenPoco
Solving an Equation
Simply solve:
fg(x) = 3x^(2)-6x+17
Last question on me stoopid Maths paper. Can't really think of what to do.
Silly me. I think I know how to do it now.
Thanks.
• Mar 8th 2010, 10:00 AM
e^(i*pi)
Quote:
Originally Posted by StephenPoco
Si... | {"extraction_info": {"found_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": 3, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://nickjames.co.nz/equestrian-brands-zpqv/54-kg-to-lbs-7feb41 | Step 1: Convert from kilograms to pounds. kg or lbs The SI base unit for mass is the kilogram. Here is one of the Mass conversion : 54 lbs in kg Convert 518.54 kg to pounds. To use this calculator, simply type the value in any box at left or at right. 54.28 kg to lbs. 14.54 KG to Lbs – Unit Definition. What is 518.54 k... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/advanced-algebra/194500-separable-extensions.html | 1. ## Separable Extensions
Prove that if L/G and G/F are separable algebraic extensions (not necessarily finite), then L/F is also separable.
I could do it for the finite case, but I'm not sure what to do here?
2. ## Re: Separable Extensions
i don't think this is true, without more information on F. for one can dev... | {"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/questions/63402/martins-philosophical-issues-about-the-hierarchy-of-sets | # Martin's “Philosophical Issues about the Hierarchy of Sets”
Some months ago (October 2010), in the context of the Workshop on Set Theory and the Philosophy of Mathematics, Professor Donald A. Martin gave a talk entitled "Philosophical issues about the hierarchy of sets".
Abstract: I will discuss some philosophical ... | {"extraction_info": {"found_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.zora.uzh.ch/48761/ | # Recursive contracts, lotteries and weakly concave pareto sets - Zurich Open Repository and Archive
Cole, Harold; Kübler, Felix (2012). Recursive contracts, lotteries and weakly concave pareto sets. Review of Economic Dynamics, 15 (4)(10-038):479-500.
## Abstract
Marcet and Marimon (1994, revised 1998) developed a ... | {"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/algebra/elementary-algebra/chapter-7-algebraic-fractions-7-4-addition-and-subtraction-of-algebraic-fractions-and-simplifying-complex-fractions-problem-set-7-4-page-300/61 | ## Elementary Algebra
$\frac{m}{40}$
Assuming a constant velocity, she is completing 1/40 of the course every minute. Thus, multiplying by m minutes, she completes $m/40$ of the course in m minutes. We know that in fourty minutes, she will have completed the whole course, so it makes sense that when we plug in 40 for ... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
https://dsp.stackexchange.com/questions/49322/instantaneous-frequency-estimation-by-hilbert-transform-theoretical-justificat?noredirect=1 | # Instantaneous Frequency Estimation by Hilbert Transform - Theoretical Justification and Proof
I would like to better understand why the instantaneous frequency estimation by Hilbert transformation works (and especially why it doesn't work / lead to precise results in many cases).
The motivation is to estimate signa... | {"extraction_info": {"found_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/instantaneous-displacement-of-a-sound-wave.794364/ | # Instantaneous Displacement of a Sound Wave
Tags:
1. Jan 26, 2015
### Mtscorpion12
1. The problem statement, all variables and given/known data
A sinusoidal sound wave moves through a medium and is described by the displacement wave function s(x,t) = 2.00cos(15.7x - 858t) where s is in micrometers, x is in meters, ... | {"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://mathoverflow.net/questions/99111/orbifold-vs-alexandrove-space-vs-limit-of-manifolds | # Orbifold vs Alexandrove space vs Limit of manifolds
I have a question about some defitions : Orbifold, Alexandrov space, limit of manifolds in Gromov-Hausdorff distance sense.
Consider following example.
Let $r> 0$
$L_c = \{ (x cos \theta, x sin \theta, cx) | 0 \leq x$ and $0 \leq \theta < 2\pi \}$
$S$ : $(z-\sq... | {"extraction_info": {"found_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://documentation.aimms.com/language-reference/optimization-modeling-components/automatic-benders-decomposition/benders-decomposition-textbook-algorithm.html | # Benders’ Decomposition - Textbook Algorithm
Master problem
The basic Benders’ decomposition algorithm as explained in several textbooks (e.g., [NW88], [Mar99]) works as follows. After introducing an artificial variable $$\eta = d^Ty$$, the master problem relaxation becomes:
\begin{split}\begin{align} & \text{mini... | {"extraction_info": {"found_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/rotational-kinematics-acceleration.138380/ | # Rotational kinematics - acceleration
1. Oct 14, 2006
### physgirl
so there's a wheel with radius R and mass M. there's also a hub attached to the wheel's center with radius r and mass m. there's also a mass X suspended from a massless string that's wound around the hub. if the axle has negligible radius and mass a... | {"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.zora.uzh.ch/id/eprint/92213/ | # Search for the standard model Higgs boson produced in association with a W or a Z boson and decaying to bottom quarks
CMS Collaboration; Chatrchyan, S; Khachatryan, V; Sirunyan, A M; et al; Chiochia, V; Kilminster, B; Robmann, P (2014). Search for the standard model Higgs boson produced in association with a W or a ... | {"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.math.princeton.edu/events/quantum-oracle-classification-case-group-structure-2016-12-12t210012 | # Quantum Oracle Classification: The Case of Group Structure
-
Mark Zhandry, Princeton University
Fine Hall 214
The Quantum Oracle Classification (QOC) problem is to classify a function, given only quantum black box access, into one of several classes without necessarily determining the entire function. Generally, QO... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://www.physicsforums.com/threads/how-to-define-the-b-c-s-for-the-em-field-of-a-perfectly-contucting-surface.391735/ | How to define the b.c.s for the EM field of a perfectly contucting surface?
1. Apr 2, 2010
sith
If you have a 3 dimensional perfectly conducting body the conditions at the boundary for the EM field is as follows:
$$\boldsymbol{E}_{\parallel} = 0, B_{\perp} = 0, E_{\perp} = \frac{\sigma}{\epsilon_0}, \boldsymbol{B}_... | {"extraction_info": {"found_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://physics.stackexchange.com/questions/117407/relating-energy-to-wavelength-in-curved-space | # Relating Energy to Wavelength in curved space
Consider a curved space, e.g. Schwarzschild: \begin{align*} ds^2 = -\left(1-\frac{2M}{r}\right)dt^2+\left(1-\frac{2M}{r}\right)^{-1}dr^2+r^2d\theta^2+r^2\sin^2\theta d\phi^2 \end{align*} Now, the energy of a photon is $E = \hbar \omega$, and $|\mathbf{k}|= \frac{2\pi}{\l... | {"extraction_info": {"found_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://paramanands.blogspot.com/?widgetType=BlogArchive&widgetId=BlogArchive1&action=toggle&dir=open&toggle=YEARLY-1293820200000&toggleopen=MONTHLY-1467311400000 | # The General Binomial Theorem: Part 2
In the previous post we established the general binomial theorem using Taylor's theorem which uses derivatives in a crucial manner. In this post we present another approach to the general binomial theorem by studying more about the properties of the binomial series itself. Needle... | {"extraction_info": {"found_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://science.purdue.edu/xenon1t/?tag=background | XENON1T presented at Rencontres de Moriond Electroweak
Last week I had the opportunity to present the XENON1T experiment at the Recontres de Moriond electroweak conference in La Thuile Italy in the beautiful Aosta Valley. This meeting is one of the most important meetings for LHC physics, but has slowly expanded to en... | {"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.investopedia.com/ask/answers/061715/how-do-i-calculate-standard-error-using-matlab.asp | It's possible to calculate the standard error in MATLAB by running a one-line command. MATLAB is a programming platform from MathWorks that's designed for and used by scientists and engineers.
## What Is Standard Error?
In statistics, the standard error is the standard deviation of the sampling statistical measure,... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 1, "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://destevez.net/2018/11/measuring-the-stability-of-a-tcxo/ | # Measuring the stability of a TCXO
Lately, I have been testing the GPSDO that I will use to discipline my Es’hail 2 groundstation. One of the tests I have done is to measure the frequency of the TCXO that I use in my Hermes-Lite 2.0beta2 over a few days. Here I show the details of the measurement process and how to p... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 1, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/math-topics/39893-summing-series-2-questions.html | # Math Help - Summing Series -2 questions.
1. ## Summing Series -2 questions.
Hey, I've got 2 unsolved problems that need help!
1. Find the sum of the multiples of 7 which are less than 10000.
My answer is 714264285 but the book says 7142142?
2. Find the sum of the series n + 2(n-1) + 3(n-2) +...+ n.
A step by step... | {"extraction_info": {"found_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": 11, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://stats.libretexts.org/Bookshelves/Probability_Theory/Applied_Probability_(Pfeiffer)/12%3A_Variance_Covariance_and_Linear_Regression/12.02%3A_Covariance_and_the_Correlation_Coefficient | # 12.2: Covariance and the Correlation Coefficient
$$\newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} }$$ $$\newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}}$$$$\newcommand{\id}{\mathrm{id}}$$ $$\newcommand{\Span}{\mathrm{span}}$$ $$\newcommand{\kernel}{\mathrm... | {"extraction_info": {"found_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://mathhelpforum.com/trigonometry/209614-cos-3pi-5-a.html | 1. ## Cos 3pi/5
I don't understand the step where 2Sin^2(3pi/10) = 2((sqrt5+1)/4)
2. ## Re: Cos 3pi/5
Hey Eraser147.
Try setting up a right angled triangle or using sums or differences formula to get the value.
3. ## Re: Cos 3pi/5
Consider the right-angled triangle with acute angles $\frac{3\pi}{10}$ and $\frac{2... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 12, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://math.stackexchange.com/questions/1899206/show-there-exists-a-sequence-of-polynomials-which-converge-uniformly-to-a-contin | # Show there exists a sequence of polynomials which converge uniformly to a continuous $f$.
Let $f : [0,1] \to \mathbb{R}$ be a continuous function that vanishes at $x = 1.$ Show that there exists a sequence of polynomials, each vanishing at $x = 1$, which converges to $f$ uniformly on $[0,1].$
It feels like a Stone-... | {"extraction_info": {"found_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/oscillary-motion.52381/ | # Homework Help: Oscillary Motion
1. Nov 11, 2004
The Problem is:
A particle executes simple harmonic motion with an amplitude of 2.25 cm. At what position does its speed equal half its maximum speed?
I've been looking at this for a while, and I cant see how to solve it without more information.
If I knew the energ... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
http://mathhelpforum.com/algebra/81405-using-logarithm-find-earthquake-strength-print.html | # Using logarithm to find earthquake strength
• Mar 30th 2009, 01:34 AM
vidalex
Using logarithm to find earthquake strength
Word Problem that I'm stuck on
The common logarithm is used to measure the intensity of an earthquake on the Richter scale. The Richter scale rating of an earthquake of intensity I is given by lo... | {"extraction_info": {"found_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... |
https://jspinvandy.home.blog/tag/mass-of-light/ | # How Much Does Light Weigh?
Light is made of photons. And photons are massless particles, which means they have no invariant/resting mass. Therefore, light has no mass and no weight. End of story, right?
### The Force of Light
Did you know that light exerts pressure on objects? This force can even increase an objec... | {"extraction_info": {"found_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": 4, "mimetex.cgi": 0, "/images/mat... |
http://mathhelpforum.com/advanced-algebra/137703-orthogonal-matrices.html | 1. ## Orthogonal matrices
i have found two eigenvalues for a matrix i've been working on, both are lambda = 2...
when i substitute the eigenvalue back into the matrix and row reduce i get
y= 0 and x = z
so i said my first eigenvector, V1 is a 3*1 column matrix with entries 1, 0, 1.
My problem is finding the 2nd ei... | {"extraction_info": {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://www.physicsforums.com/threads/non-constant-hazard-rates-calculating-the-modal-failure-rate-of-hard-drive.561927/ | # Non Constant Hazard Rates - Calculating the modal failure rate of hard drive
1. Dec 21, 2011
### orangeIV
Hi, I'm currently trying to work through a problem about calculating the most likely time for a hard disk to fail:
Hard disks fail with a probability per unit time: $\alpha (t) = \alpha _0 t$ where $\alpha_0 ... | {"extraction_info": {"found_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/139162-help-mean-value-theorem.html | # Thread: Help with the mean value theorem
1. ## Help with the mean value theorem
I went in to my professor for "extra help" on this problem and left more confused than before I went in.
Can someone on here try to explain this to me!
Question:
For what values of a, m, and b does the function satisfy the hypotheses... | {"extraction_info": {"found_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://www.emathzone.com/tutorials/math-results-and-formulas/formulas-for-area-of-a-triangle.html | # Formulas for Area of a Triangle
1. $A = \frac{1}{2}b \cdot h$, where $b$ is the base and $h$ is the altitude of the triangle.
2. Area of an equilateral triangle
, where $a$ is the length of each side of the triangle.
3. Area of a triangle when two adjacent sides and the included angle is given by
4. Area of a tr... | {"extraction_info": {"found_math": true, "script_math_tex": 5, "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": 10, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/ma... |
https://link.springer.com/article/10.1007/s42379-018-00019-w?error=cookies_not_supported&code=bda16864-0c63-420a-bfcb-38e98cca4654 | # Changes in family structure in China: the impact of residence patterns and demographic factors
## Abstract
Based on census data from China, this paper uses SOCSIM microscopic simulation method to decompose the key factors of family transition into demographic and residence pattern factors. The former are further br... | {"extraction_info": {"found_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... |
http://link.springer.com/article/10.1007/s10652-014-9340-9 | Environmental Fluid Mechanics
, Volume 14, Issue 6, pp 1335–1355
On the periodicity of atmospheric von Kármán vortex streets
Original Article
DOI: 10.1007/s10652-014-9340-9
Nunalee, C.G. & Basu, S. Environ Fluid Mech (2014) 14: 1335. doi:10.1007/s10652-014-9340-9
Abstract
For over 100 years, laboratory-scale von... | {"extraction_info": {"found_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/ergodicityofamapintermsofitsinducedoperator | # ergodicity of a map in terms of its induced operator
Let $(X,\mathfrak{B},\mu)$ be a probability space and $T:X\longrightarrow X$ a measure-preserving transformation. The following statements are equivalent:
1. 1.
- $T$ is ergodic.
2. 2.
- If $f$ is a measurable function and $f\circ T=f$ a.e. (http://planetmath.... | {"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 33, "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... |
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