CoefficientFunction from interpolation list

2 months 1 week ago #2492 by christopher
I guess in your newton iteration grad(u) is not everywhere nonzero.
you can "fix" this by regularizing the norm:
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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