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| There is a simple error in the code after fixing it works well xlow = -1; xhigh = 1; ylow = 0; yhigh = 1; ulow = 0; uhigh = 1;![enter image description here][1] ufun = NDSolveValue[{-Laplacian[u[x, y], {x, y}] == 10,... |
| there are many Export[] types you might try exporting the data as 3D data - which will give you columns of values. then maybe use awk(1) or printf(1) after to clean it up. the graphic data may be stored. say x is a graphic, then x[[1]] has a... |
| Ok now I see the reply from Keith. Thanks David |
| Hi, this is not particularly good, but I think it might work. I generate a list of frames and animate them so that it becomes clear that the colour bar is the same as the values of the function change: ufun[x_, y_] := Cos[(x^2 + y^2)]... |