#14064: Matrix.subdivide goes haywire if indices are not in increasing order
------------------------------+---------------------------------------------
Reporter: Bouillaguet | Owner: jason, was
Type: defect | Status: new
Priority: major | Milestone: sage-5.7
Component: linear algebra | Keywords:
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
------------------------------+---------------------------------------------
{{{
sage: M = identity_matrix(5)
sage: M.subdivide([4,1], [3,2])
sage: M
[1 0|0|0 0]
[-----++-----]
[0 1|0|0 0]
[0 0|1|0 0]
[0 0|0|1 0]
[-----++-----]
[0 0|0|0 1]
}}}
This is broken, and there is an easy fix.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14064>
Sage <http://www.sagemath.org>
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