#7728: Make matrix factorizations immutable and cached
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Reporter: dagss | Owner: was
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.3.1
Component: linear algebra | Keywords:
Work_issues: | Author: Dag Sverre Seljebotn
Upstream: N/A | Reviewer:
Merged: |
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Changes (by dagss):
* status: needs_work => needs_review
Comment:
Last attachment contains the same changes + a little more docs.
LU was previously cached, so this just makes things more consistent by
caching all decompositions -- easier to remember.
I also plan to make use of the caching if I get around to fixing #4932,
see my comment there, short story: {{{solve_left}}} should be able to use
the results of a call to {{{LU()}}}, which makes caching a lot more
important.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7728#comment:3>
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