Comment #7 on issue 3405 by [email protected]: Add simplify keyword to inv
http://code.google.com/p/sympy/issues/detail?id=3405
You might also want to consider using ImmutableMatrices
In [1]: ImmutableMatrix([[sin(x)**2 + cos(x)**2]])
Out[1]:
⎡ 2 2 ⎤
⎣sin (x) + cos (x)⎦
In [2]: im = ImmutableMatrix([[sin(x)**2 + cos(x)**2]])
In [3]: simplify(im)
Out[3]: [1]
This doesn't simplify in place and the standard SymPy simplify works fine.
In general using ImmutableMatrix will almost always work better with core
SymPy functions. You should only use Matrix if you really care about speed
or mutability.
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