#9740: matrix plot is upside down and should wrap more matplotlib options
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Reporter: jason | Owner: jason, was
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.5.3
Component: graphics | Keywords:
Author: Jason Grout | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by jason):
After the patch, the labels are corrected. The issue of flipping the
matrix is also affected by a matplotlibrc variable, so you might have the
"correct" value of origin='upper'. Of course, this is ignored for sparse
matrices. That patch corrects all this so that things are consistent.
For sparse matrices---the correct picture is whote for off-diagonal and
blue for diagonal. That uses spy underneath, which does not plot zero
entries, which is exactly what you want for sparse matrices.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9740#comment:9>
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