#9747: assigment to 1x1 submatrices specified by slices fails
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Reporter: phil | Owner: jason, was
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.5.3
Component: linear algebra | Keywords: matrix assignment slicing
__setitem__
Author: Philipp Schneider | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by phil):
I added another patch (including a doctest) which fixes the bug in the
case that only the second index is a slice. The following example works
only after the second patch is applied:
== Example ==
{{{
sage: A=matrix([[1,2],[3,4]]); B=matrix([[1,3],[5,7]])
sage: A[1,0:1]=B[1,1:2]
sage: A
[1 2]
[7 4]
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9747#comment:5>
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