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Labels: NeedsReview
Comment #6 on issue 1568 by mattpap: factoring is working too hard
http://code.google.com/p/sympy/issues/detail?id=1568
More symbolic capabilities were added to factor() in polys11 branch, e.g.:
In [1]: var('a')
Out[1]: a
In [2]: df=-(1 - x)**2*(4 + x)/((2
Comment #5 on issue 1568 by smichr: factoring is working too hard
http://code.google.com/p/sympy/issues/detail?id=1568
Also, perhaps factor should do deep factoring first to obtain a better
factorization.
Consider:
df=-(1 - x)**2*(4 + x)/((2 + x)*(a + x)**2) - (1 - x)**2*(4 + x)/((2 +
Updates:
Cc: smichr
Comment #3 on issue 1568 by asmeurer: factoring is working too hard
http://code.google.com/p/sympy/issues/detail?id=1568
Did you paste the expression incorrectly? The third derivative of that
expression doesn't have any (a + x)**25
terms.
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Blockedon: 1598
Comment #2 on issue 1568 by asmeurer: factoring is working too hard
http://code.google.com/p/sympy/issues/detail?id=1568
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