Solution of {inf} or {nan} for Surface Plotting.
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Reference to the figure, is there solution for that? I want to plot a smooth surface for my results. Thanks.
![1.PNG](https://www.mathworks.com/matlabcentral/answers/uploaded_files/241931/1.png)
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Walter Roberson
am 10 Okt. 2019
The solution is to use a finer grid (at least at that end) so that the edges caused by the nan or inf become small enough that the user perceives them as curved.
Depending on your calculations, sometimes it is possible to solve for the boundary conditions and plot accordingly instead of just refining the grid down to the pixel level.
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Walter Roberson
am 10 Okt. 2019
Yes.
You could probably break it up into two pieces, one for x from 0 to 3.5, and another for x from 3.5 to 7 with a finer grid. That would save you from having to calculate a lot of extra values in the "safe" area.
I notice that your x values are not linearly spaced at the moment: you have 40 faces but the 20th face is at about 4 1/2 instead of around 3 1/2.
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