#3863: Have numerical evaluation of unevaluated integrals call numerical
integral
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Reporter: ddrake | Owner: mhansen
Type: defect | Status: needs_work
Priority: major | Milestone: sage-4.4
Component: calculus | Keywords: integration
integral calculus symbolic numerical
Author: Golam Mortuza Hossain, Burcin Erocal | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by ddrake):
* status: needs_review => needs_work
Comment:
Hrm, the doctest from the patch doesn't work for me:
{{{
----------------------------------------------------------------------
| Sage Version 4.3.5, Release Date: 2010-03-28 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
Loading Sage library. Current Mercurial branch is: review
sage: integrate(x^2.7 * e^(-2.4*x), x, 0, 3).n()
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/scratch/sage-4.3.5/<ipython console> in <module>()
/scratch/sage-4.3.5/local/lib/python2.6/site-
packages/sage/symbolic/expression.so in
sage.symbolic.expression.Expression.n
(sage/symbolic/expression.cpp:17049)()
TypeError: cannot evaluate symbolic expression numerically
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/3863#comment:9>
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