#11445: symbolic integration fails on a very simple test case
------------------------+---------------------------------------------------
Reporter: pdehaye | Owner: burcin
Type: defect | Status: new
Priority: critical | Milestone: sage-4.7.1
Component: calculus | Keywords: integrate
Work_issues: | Upstream: Not yet reported upstream; Will do
shortly.
Reviewer: | Author:
Merged: | Dependencies:
------------------------+---------------------------------------------------
Changes (by kcrisman):
* cc: kcrisman (added)
* upstream: N/A => Not yet reported upstream; Will do shortly.
Comment:
This also happens in Maxima.
{{{
Maxima 5.24.0 http://maxima.sourceforge.net
using Lisp SBCL 1.0.24
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
The function bug_report() provides bug reporting information.
(%i1) integrate(abs(x - 1) + abs(x + 1) - 2*abs(x),x,minf,10);
(%o1) 2
(%i2) integrate(abs(x - 1) + abs(x + 1) - 2*abs(x),x,minf,inf);
(%o2) 0
}}}
I don't know that I would call this "very simple", though, as integrating
absolute value things is somewhat tricky when done symbolically.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11445#comment:1>
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.
