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the maximum norm

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3 years 3 weeks ago #3628 by shasha
the maximum norm was created by shasha
HI， everyone!

I have a question, how to solve the maximum norm of U0 on a mesh cell.
Thank you in advance for your reply！

Shasha

#############################
from ngsolve import *
import pickle
import netgen.gui

i=10
mesh = ngm.MakeStructured2DMesh(quads=False, nx =i,ny = i)
exact_u =CoefficientFunction( ( sin(2*pi*x)*sin(2*pi*y), cos(2*pi*x)*cos(2*pi*y) ))
U0=exact_u
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