#7325: Sage cannot solve inequalities
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Reporter: robert.marik | Owner: tbd
Type: enhancement | Status: positive_review
Priority: major | Milestone: sage-4.3.2
Component: algebra | Keywords: relation, symbolics,
inequality, solve
Author: Robert Marik | Upstream: N/A
Reviewer: Karl-Dieter Crisman | Merged:
Work_issues: |
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Changes (by kcrisman):
* status: needs_review => positive_review
Comment:
There were some additional examples which still were platform-dependent.
This is really weird, I have to say! In particular, the following
{{{
try:
return(solve_ineq(self)) # trying solve_ineq_univar
except:
pass
try:
return(solve_ineq([self])) # trying solve_ineq_fourier
}}}
means that exp.solve(x) ignores the x. However, I don't know that that is
really worth changing since it still gives correct answers.
This patch should do it, hopefully it applies to alpha0. The only changes
were in doctests to ensure it passes, and to explain what is going on.
Perhaps it is in Maxima itself that this platform-dependence happens, but
I don't have time to check this.
Also corrected two minor typos.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7325#comment:32>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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