Find answers to your questions about Mathematica or help others by answering their Mathematica questions.
As an example I want to find all Integers up to a given limit which only have certain prime factors.I can do it efficiently for the case of 2,...
Asked on 11/30/2020 by user57467
2 answerI change the island and GeoRange from the example, but it shows the error, can anyone help me with that?...
Asked on 11/29/2020
2 answerI need to fix the following codePlot[V[x], {x, -3, 3}, PlotRange -> {-3, 1}, PlotTheme -> "Detailed", PlotStyle -> Automatic, AxesLabel -> Automatic, Frame -> True, FrameLabel...
Asked on 11/29/2020
2 answerI have been creating animations in two different ways: 1)using Animate 2)using Table to create a list of plots at different times. 1)Let's start with Animate. The function I want...
Asked on 11/29/2020 by eemg
1 answerI have a list of data {x,y,f(x,y)} with f being an experimental number and x and y are parameters of the experiment. I am using NonlinearModelFit to fit a model...
Asked on 11/29/2020 by user3584513
0 answerI noticed (using Mathematica 11.2 on Windows) that FileExistsQ["test.txt"] returns Trueeven if there only exists a file "TEST.txt" in the current directory.How can one test the existence of a...
Asked on 11/29/2020 by dnet
0 answerI am simply trying to add some text to a plot via the drawing tool, but it seems the text style options are fixed at some default setting and will...
Asked on 11/28/2020 by Arturo don Juan
1 answerDt[0.04Cos[10Pi x]Cos[50Pi t]]As the titile described, I don't want the Pi to be calculated. I just want it to exist in the form "Pi"....
Asked on 11/28/2020 by White0-0
1 answerI want a rule that would transform, for example, And[i,F[j,k],l,G[m,F[j,k],n],p] into And[i,F[j,k],l,G[m,T,n],p], where F, G and T are either just symbols or, say, defined by F[u_,v_]:=Or[F1[Or[Not[u],v],F2[v]] or G[x_,y_,z_]:=Or[G1[x,y],G2[z,x]] or T=H[False,True]...
Asked on 11/28/2020
3 answerI've a few python data typesedges = [(1,2), (1,3), (1,4), (2,5), (2,6), (5,6), (3,4), (3,7), (6,7), (7,8), (2,9)];vl = [1,2,3,4,5,6,7,8,9]ew = {(1, 2) : 49.6, (1,3): 74.4, (1,...
Asked on 11/27/2020
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