#13364: Upgrade Maxima to 5.29.1
-------------------------------------+--------------------------------------
Reporter: kcrisman | Owner: tbd
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.6
Component: packages | Resolution:
Keywords: maxima spkg | Work issues: fix doctests, build with
latest ECL, fix `spkg-install`
Report Upstream: N/A | Reviewers: Karl-Dieter Crisman,
François Bissey, Leif Leonhardy
Authors: Jean-Pierre Flori | Merged in:
Dependencies: #13324 | Stopgaps:
-------------------------------------+--------------------------------------
Comment (by leif):
Replying to [comment:49 leif]:
> Replying to [comment:48 leif]:
> > Back to integration:
> >
> > Did anyone try using `cos()` instead? After apparently "deep
thinking", I for example get:
> > {{{
> > sage: integrate(abs(cos(x)),x,0,pi)
> > -1
> > sage: integrate(abs(cos(x)),x,0,2*pi)
> > 0
> > sage: integrate(abs(cos(x)),1/2*pi,3/2*pi)
> > -2
> > }}}
> >
> > Unless I'm missing something...
>
> Just noticed Sage 5.4 gives the same results.
In contrast:
{{{
----------------------------------------------------------------------
| Sage Version 4.7.2, Release Date: 2011-10-29 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: integrate(abs(sin(x)),x,0,2*pi)
0
sage: integrate(abs(cos(x)),x,0,2*pi)
integrate(abs(cos(x)), x, 0, 2*pi)
sage: integrate(abs(cos(x)),x,0,pi)
integrate(abs(cos(x)), x, 0, pi)
sage: integrate(abs(cos(x)),x,1/2*pi,3/2*pi)
integrate(abs(cos(x)), x, 1/2*pi, 3/2*pi)
}}}
(Same for Sage 4.8.)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13364#comment:50>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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