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Extract data from pdeplot to use contourf

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Johnny Yoon
Johnny Yoon 2021년 3월 1일
댓글: Johnny Yoon 2021년 3월 4일
Hello all,
I solved a pde and plotted the result with the code as follows. From the plotted figure, I would like to extract data to plot same or similar figure using contourf. Is there any way to do? Thank you very much in advance.
model = createpde();
R1 = [3,4,0,1,1,0,0,0,1,1]';
g = decsg(R1);
geometryFromEdges(model,g);
applyBoundaryCondition(model,'dirichlet','Edge',4,'u',100);
applyBoundaryCondition(model,'neumann','Edge',1,'g',10);
specifyCoefficients(model,'m',0,...
'd',0,...
'c',-1,...
'a',0,...
'f',1);
mesh = generateMesh(model,'Hmax',0.25);
results = solvepde(model);
figure
pdeplot(model,'XYData',results.NodalSolution)

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Rashed Mohammed
Rashed Mohammed 2021년 3월 3일
Hi Johnny
If you need a contour plot of the PDE model, please use the Contour Name-Value pair while using the pdeplot function as follows
pdeplot(model,'XYData',results.NodalSolution,'Contour','on')
You can customize the plot using various Name-Value pairs present here.
Hope this helps.
  댓글 수: 1
Johnny Yoon
Johnny Yoon 2021년 3월 4일
Hi Rashed,
Thank you for the information. This is helpful. Is there any way to extract data out of that, so that I can contourf command to plot?

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