Comment #5 on issue 1598 by ondrej.certik: New polynomials manipulation
module
http://code.google.com/p/sympy/issues/detail?id=1598
And for this:
In [5]: a = (x+y+sin(z))**20
In [6]: b = a.expand()
In [7]: time factor(b)
CPU times: user 3.38 s, sys: 0.00 s, total: 3.38 s
Wall time: 3.46 s
Out[8]:
20
(x + y + sin(z))
Sage is only 4x faster:
sage: a = (x+y+sin(z))**20
sage: b = a.expand()
sage: time factor(b)
CPU times: user 0.13 s, sys: 0.01 s, total: 0.14 s
Wall time: 0.80 s
(x + y + sin(z))^20
Could you beat it? That'd be fun. :)
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