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gradient or laplacian of an unstructured field

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Old   March 13, 2014, 12:40
Default gradient or laplacian of an unstructured field
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Tom
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Hi there,

As far as you know, is it possible to numerical compute the gradient or the laplacian term of a velocity field in matlab?

I try to better explain myself. I mean knowing how to map in a x-y plane some data from an unstructured mesh (as the one from the classic case of the potential cylinder in the OF's tutorial) is there a tool or function in matlab to compute the gradient or the laplacian?
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