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This question asks if there are tools/packages in Mathematica for the study of presentation of groups, but it is almost 7 years old and an answer suggests to use...
Asked on 03/29/2021
0 answerI have some data as:data={38.5286,38.3771,38.1375,36.2215,35.5168,35.5106,34.821,34.4819,34.1321,33.7647,33.5369,32.8756,32.8502,32.6769,32.5624,32.4046,31.4334,31.1738,30.7002,30.2592,30.2444,30.1869,29.5221,29.4132,29.304,29.2167,29.1548,29.1548,28.7772,28.6366,28.5317,28.4121,28.4038,28.3335,28.2843,27.9732,27.8936,27.7218,27.5,26.6693,26.6552,26.4365,26.25,25.7304,25.3032,25.2746,24.9944,23.9467,21.006,19.4551,18.3424,17.5895,17.442,15.0271}I want to numerically calculate the integral: $S = - int dx p(x) ln p(x)$, where $p(x)$ is the probability density function. This...
Asked on 03/29/2021 by user77256
1 answerI am attempting to compute $pi$ using the Salamin and Brent equation:Salamin and Brent (1976): Set $a_0=1$, $b_0=frac1{sqrt{2}}$, $s_0=frac12$. Then iterate:$$small a_k=frac{a_{k-1}+b_{k-1}}{2},; b_k=sqrt{a_{k-1} b_{k-1}},;...
Asked on 03/29/2021 by BoyAcc
1 answerI wrote equations that represents the rotation on a gimbal system for pointing a telescope with 3 DOF,I have a system in four equations and 4 unknowns, but as...
Asked on 03/29/2021 by giampiero sindoni
1 answerI know that this seems to be unnecessary, but here I have a bunch of assignments, like around 50, and I want to create rules for all these to have...
Asked on 03/29/2021 by Ying Zhang
1 answerIs there a slick way to make CoefficientList (and the other similar functions, CoefficientRules etc.) work for Laurent polynomials (i.e. where negative exponents can occur), if I don't know a...
Asked on 03/29/2021 by Ketil Tveiten
2 answerSo I know that trigonometric equations show up here very often, but this one is particularly difficult and important to me, so that I was hoping to get some valuable...
Asked on 03/29/2021
1 answerI want to draw the surface of the upper half of the sphere $z = sqrt {4 x - x^2 - y^2}$ inside the cylinder $(x - 1)^2...
Asked on 03/29/2021
1 answerI got frustrated from trying to solve supposing simple physic's problem. All book, textbooks, lectures are always calculation escape velocity from conservation of energy law. I am more ambitious more...
Asked on 03/28/2021
1 answerI have to write a notebook about comparing the results of the deflection of an elastic beam, calculated with discrete methods and FE methods. The code has to be generalized...
Asked on 03/28/2021 by andris0110
0 answerGet help from others!
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