#11493: Wrong integral computation
------------------------+---------------------------------------------------
Reporter: kcrisman | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.1
Component: calculus | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Comment(by kcrisman):
Here is what is going on.
{{{
(%i16) integrate(x^(1/2)*%e^(-x-x^2),x,0,inf);
inf
/ 2
[ - x - x
(%o16) I sqrt(x) %e dx
]
/
0
(%i18) integrate(x^(.5)*%e^(-x-x^2),x,0,inf);
<snip lots of these>
rat: replaced 0.5 by 1/2 = 0.5
sqrt(%pi)
(%o18) ---------
2
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11493#comment:1>
Sage <http://www.sagemath.org>
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