Updates:
Summary: Integral((-60*exp(x) - 19.2*exp(4*x))*exp(4*x), x).doit()
extremely slow
Status: Valid
Blockedon: -sympy:790 -sympy:1836 -sympy:2010 -sympy:2026
Comment #9 on issue 1851 by ronan.l...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extr
Updates:
Labels: NeedsReview
Comment #10 on issue 1851 by asmeu...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
And risch_integrate() fails with DomainError because the polys can't handle
flo
Updates:
Cc: -basti...@gmail.com
Labels: -NeedsReview
Comment #11 on issue 1851 by ronan.l...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
IMO, such an integral shouldn't go through pol
Comment #12 on issue 1851 by asmeu...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
Everything that goes through Risch goes through the polys. In fact, it's
better that way, because the integration o
Updates:
Cc: smi...@gmail.com
Comment #13 on issue 1851 by asmeu...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
The following "fixes" this problem, but it's not clear if this isn't just
crea
Comment #14 on issue 1851 by smi...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
Perhaps it's faster now
t=time();Integral((-60*exp(x) - 19.2*exp(4*x))*exp(4*x), x).doit()
-2.4*exp(8*x) - 12.0*exp(5
Comment #15 on issue 1851 by asmeu...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
If risch_integrate (i.e., the polys) could handle floats, it would return
instantly.
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Comment #16 on issue 1851 by asmeu...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
I implemented my fix at https://github.com/sympy/sympy/pull/2710.
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Comment #17 on issue 1851 by asmeu...@gmail.com: Integral((-60*exp(x) -
19.2*exp(4*x))*exp(4*x), x).doit() extremely slow
http://code.google.com/p/sympy/issues/detail?id=1851
I don't know if this is related to this integral any more, though, because
it returns the result, and instantly, in
