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my task is to minimize costs of dispatching various power plants in order to meet demand in a transmission grid. I solve the task as a linear programming problem with...
Asked on 01/10/2021 by Jakub Petrůj
2 answerI want to find the convergence interval of function $sum_{n=1}^{infty} frac{1}{3^{n}+(-2)^{n}} frac{x^{n}}{n}$.Sum[(1/(3^n + (-2)^n))*(x^n/n), {n, 1, Infinity}]SumConvergence[(1/(3^n + (-2)^n))*(x^n/n), n]The above code can not get the convergence interval...
Asked on 01/10/2021
1 answerI've got these vectorsvecs={{0,1,0,0,0,0,0,-1,0}, {1,-1,1,0,0,0,-1,1,-1}, {1,0,-1,1,0,-1,1,0,-1}, {1,0,-1,1,0,0,-1,0,1}, {1,0,0,-1,0,1,0,0,-1}, {1,0,0,-1,1,-1,1,-1,1}, {1,0,0,0,-1,0,0,1,0}, {-1,0,1,0,0,-1,1,0,-1}, {-1,0,1,0,0,0,-1,0,1}, {-1,1,-1,1,-1,1,0,0,-1}, {-1,1,-1,1,0,-1,1,-1,1}, {-1,1,0,-1,0,1,0,-1,1}, {-1,1,0,-1,1,-1,0,1,0},...
Asked on 01/09/2021
0 answerIn the last version of Mathematica (12.2), some genius on Wolfram thought that is was a good idea to change the keyboard shortcut Ctrl+4, that have been there for years,...
Asked on 01/09/2021 by jjagmath
1 answerI need to create several graph for different values of a parameter $h$. The code is the followingpdf1[x_] = PDF[NormalDistribution[1, 1], x]pdf[x_] = PDF[NormalDistribution[0, 1], x]cdf1[x_] = CDF[NormalDistribution[1,...
Asked on 01/09/2021 by Api
4 answerPlease, help me with the following issue.I am solving the following system of the coupled PDEs with the following boundary conditions ...
Asked on 01/09/2021
2 answerI have this function ($x>0$)$$f (x)=frac{sqrt{g (x)}+4 x left(x^2+1right) sin (pi x) cos ((3+pi ) x)}{x^4+2 x^2+1+left(4 x^2+left(x^2-1right)^2 cos (2 pi x)right)}$$f[x_] := (...
Asked on 01/09/2021 by user73597
1 answerEDIT: I reported this to Mathematica support. Will update later. I just posted on this issue, but I found a more elementary example which I think will make...
Asked on 01/09/2021 by Will.Mo
1 answerI am trying to integrate the following integrand, which I have plotted:Manipulate[ Plot[1/k Evaluate@ D[Erfc[k] + PolyLog[0, -E^(-(k - [Mu])/T)] + ...
Asked on 01/09/2021 by WillG
0 answerI have to form a matrix like this. How ever I can not directly input. I have to form a function and then use the table command. I am stuck....
Asked on 01/09/2021 by Tarandeep Kaur
2 answerGet help from others!
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