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Code for reproducing is below:Integrand[x_] := ((x + 1) Abs[x] Log[(x + 1)^2/Abs[x]^3])/((x + 1)^2 - Abs[x]^3); NIntegrate[Integrand[x], {x, -10000000, 10000000}]NIntegrate[Integrand[x], {x, -Infinity, Infinity}]The first instance...
Asked on 03/31/2021 by Henry Shackleton
2 answerI am new to Mathematica and still struggling to learn basic things. In this spirit, I am trying to compute the following expression: $$C_n = left[ frac{partial^n W(J)}{partial J^n}right]_{J=0},$$...
Asked on 03/30/2021 by rainman
1 answerConsider a file file.dat that has a form...string 1x1 y1 z1x2 y2 z2...string 2...where x,y,z are numbers. Could you please tell me how to import only the following strings...
Asked on 03/30/2021
1 answerI'm trying to solve for the Lagrangian form of the interpolation polynomial. Right now, I'm just trying to solve for the $l_i(x)$ values which are equal to $l_i(x)=prod_{jneq...
Asked on 03/30/2021 by TheStrangeQuark
1 answerI have defined the following function:randvec[mag_]:= mag Normalize[Table[RandomReal[], {j, 1, 4}]]I would like to format the numbers in the list so that they are 4 d.p. Trying the following:...
Asked on 03/30/2021
0 answerFour couples a are sitting around a round table, in which husband and wife can not be adjacent. How many different seating plans are there? I want to get as...
Asked on 03/30/2021
5 answerI have a set of image slices (in .MHA and DICOM formats) in a folder on my local machine. I will like to import these slices, perform rendering to get...
Asked on 03/30/2021
0 answerI have the issue that I can't remove Locators, when using LocatorAutoCreate->True.For example the code snippet taken from "LocatorPlane" -> Options-> LocatorAutoCreateDynamicModule[{pts = {{-1, 1}/2, {1, 1}/2}}, LocatorPane[Dynamic[pts],...
Asked on 03/30/2021 by Merrx
0 answerI have the following expression$$2^{1-2 n^2} left(3-sqrt{5}right)^{-n-1} left(sqrt{5}-1right)^{n (n+1)} left(sqrt{5}+1right)^{n^2}$$ This can be simplified to$$left(frac{1}{2} left(sqrt{5}+1right)right)^{n+2}$$ But FullSimplify[2^(1 - 2*n^2)*(3 - Sqrt[5])^(-1 - n)*(-1 +...
Asked on 03/30/2021 by Vaclav Kotesovec
2 answerI'm relatively new to solving optimization problems using Mathematica. I have an optimization problem but Mathematica does not seem to be able to solve it. I have tried all sorts...
Asked on 03/29/2021 by user74840
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