Problem with pdeInterpolant matlab function

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Moncef
Moncef on 6 Dec 2020
Hello, I am trying to interpolate the logarithm of a solution of an EDP using the matlab pdeInterpolant function, but I get the following error message:
Error using pdeInterpolant
Argument "u" contains values that are not valid doubles.
Error in Test13 (line 13)
F = pdeInterpolant(p,t,log(abs(u)));
I have attached the code I was using here.
Can someone help me please.

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