#20506: dual variables handling in SDP solver(s)
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Reporter: | Owner:
dimpase | Status: needs_work
Type: | Milestone: sage-7.2
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers: Matthias Koeppe
numerical | Work issues:
Keywords: | Commit:
Authors: Dima | 604153bf8a00375192e0ff304f373101997fae66
Pasechnik | Stopgaps:
Report Upstream: N/A |
Branch: |
u/dimpase/sdpdual |
Dependencies: |
#19072 |
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Comment (by dimpase):
the failure with xx.sage attachment is also reproducible on OSX (Core2Duo
CPU), although it's slightly different (the 2nd and 3rd calls to the
solver return "infeasible" rather than bail out with zero division).
So this looks like an genuine bug in CVXOPT interface, or in CVXOPT
itself, or both. Somehow it seems to retain too much state. I wish we had
an OSX patchbot...
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Ticket URL: <http://trac.sagemath.org/ticket/20506#comment:28>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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