#3863: Have numerical evaluation of unevaluated integrals call numerical
integral
----------------------------------------------------+-----------------------
Reporter: ddrake | Owner: mhansen
Type: defect | Status:
needs_review
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: |
----------------------------------------------------+-----------------------
Changes (by newvalueoldvalue):
* status: new => needs_review
* author: => Golam Mortuza Hossain, Burcin Erocal
Comment:
This was fixed by #6465. Despite the fact that we still have problems with
numerical integration (#8321), the problem addressed here is solved. I
suggest that we add a doctest and close this ticket.
attachment:trac_3863-doctest.patch adds a trivial doctest. Here is the
same computation in Maple:
{{{
|\^/| Maple 12 (IBM INTEL LINUX)
._|\| |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc.
2008
\ MAPLE / All rights reserved. Maple is a trademark of
<____ ____> Waterloo Maple Inc.
| Type ? for help.
> Digits:=30;
Digits := 30
> evalf(Int(x^2.7 * exp(-2.4*x), x=0..3));
memory used=3.8MB, alloc=3.1MB, time=0.06
memory used=7.6MB, alloc=4.4MB, time=0.13
memory used=11.4MB, alloc=4.4MB, time=0.21
0.154572952320789711837207551604
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/3863#comment:8>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/sage-trac?hl=en.
