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I would like to use WhenEvent but I'm not getting what I want: I set the initial condition varepsilon=0;I want varepsilon to change continuously over time, from to 0.1...
Asked on 04/22/2021 by Mariana Sá
1 answerWhen I'm trying to build Dynamic functions (as in this question), I often end up with long repeated lists of dynamic variables, like this:Grid[{{LocatorPane[Dynamic[{p1, p2, p3, p4, p5,...
Asked on 04/21/2021
2 answerI am trying to plot M[x]=e^(x^2) and the integral solution of I= ∫x^2*M(x) dx on the same plot.I did the following:F[x_] := e^(x^2)Lamb = Plot[F[x], {x, 0, 10}]...
Asked on 04/21/2021 by Kurapika
1 answerI have an element (El) constructed from a list of nodal coordinates (Nodes). Note: The list of nodes can be arbitrarily long. I then create a minimal area ellipse that...
Asked on 04/21/2021 by DvanHuyssteen
2 answerThere is no problem when installing the Mathematica inside the WSL. But there are several problems when launch mathematica in the shell. It displays:libGL error: failed to load driver:...
Asked on 04/21/2021 by YC. Wu
1 answerI have the following simple code for obtaining the asymptotic behavior of $r(rho)$ at infinity. The routine works well with $q=-1$ and $q=1/3$ but fails for the...
Asked on 04/21/2021 by user583893
1 answerHow can I find a shortest or near optimal route between two points where the route is constrained within a 2D region? First, consider the following bundle of lines:SeedRandom[1];points...
Asked on 04/21/2021
4 answerI have a simplest code for NDSolve, the problem is I am dividing two small numbers, the denominator is so small that it gives me infinity as an answer, how...
Asked on 04/20/2021
2 answerIf I run the following code:Do[ Print["*** ", HoldForm[x] /. x -> a, " ***"]; Print["Replace: ", (HoldForm[x] /. x -> a) /. {n1 -> 1, n2 -> 2,...
Asked on 04/20/2021 by Mattia Landoni
1 answerI'm having some trouble using DSolve to solve a partial differential equation. This is my code:pde = d*cp*D[T[t, z], t] == k*D[T[t, z], {z, 2}] + Q;sol = ...
Asked on 04/20/2021
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