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CoefficientFunction from interpolation list

4 years 1 month ago #2492 by christopher

Replied by christopher on topic CoefficientFunction from interpolation list

I guess in your newton iteration grad(u) is not everywhere nonzero.
you can "fix" this by regularizing the norm:

Code:

def RegNorm(func):
    return sqrt(func * func + 1e-20)

and use it instead of the norm.

The following user(s) said Thank You: NilsHM

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