Updates:
Status: Fixed
Comment #8 on issue 889 by Vinzent.Steinberg: deepcopy fails with sympy
types
http://code.google.com/p/sympy/issues/detail?id=889
Indeed:
>>> from sympy import *
>>> A = Matrix([[1, 2], [3, 4]])
>>> from copy import *
>>> B = deepcopy(A)
>>> B[0,0] = 0
>>> A
[1, 2]
[3, 4]
>>> B
[0, 2]
[3, 4]
Thank you!
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