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I'm working on a project in order to plot a graphical method for finite-difference equations called cobweb method. The next figure was succesful try for $$x_{t+1}...
Asked on 05/01/2021
1 answerI am a beginner. I have a function with one parameter and I would like to replace a list of values that have names. I would like a result so...
Asked on 05/01/2021 by schd
2 answerI have a function F[i_Integer,B_List,l_list] which spits out a list {B',l'} where B' and l' are of the same dimension as B and l, respectively. Now I want to get...
Asked on 05/01/2021 by amator2357
1 answerI am trying to find the barycenter of some spectra using numerical integration. I tried to find the wavelength for which the integral splits the spectrum in two equal areas,...
Asked on 05/01/2021
1 answerI want to plot 1100(r[t]-14) vs θ[t]. How can I plot the functions of r[t] and θ[t] from NDsolve? This is my code to find r[t] and θ[t]:m =...
Asked on 04/30/2021 by siraphat
1 answerI'm trying to understand how Graphics expressions are rendered. I create an invisible notebook, write a cell and evaluate it, then rasterize the notebook.UsingFrontEnd[nb = CreateNotebook[Visible->False];NotebookWrite[nb,Cell["Graphics[Disk[{0,0}]]","Input"]];NotebookEvaluate[nb,InsertResults->True];Export["test_out.jpg",Rasterize[nb]];]If I open Mathematica...
Asked on 04/29/2021 by srossd
1 answerI am trying to create horizon plots in Mathematica similar to what is described here: http://timelyportfolio.blogspot.com/2012/08/more-on-horizon-charts.html Any suggestions how to approach this? ...
Asked on 04/29/2021 by VanFalk
3 answerThe following 3 matrices are useful when viewing matrices as vectors, known as commutation $K_n$, symmetrizer $N_n$ and duplication $G_n$. They are usually defined by their matrix...
Asked on 04/29/2021
2 answerm = {{0, 0, 1, 0}, {0, 0, 0, 1}, {-5 X^2, X^2, 0, 0}, {X^2, -X^2, 0, 0}};Simplify[Eigenvalues[m], Assumptions -> X>0]The output I get is this below. The...
Asked on 04/29/2021
1 answerSuppose I use the Line command applied to a list (or more accurately apply Graphics[Line[list]] or Graphics3D[Line[list]]). Is there some way to only connect points which are less than a...
Asked on 04/29/2021
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