#4492: block_matrix reacts inconsistently with 0
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Reporter: jbmohler | Owner: was
Type: defect | Status: needs_work
Priority: major | Milestone: sage-4.3.1
Component: linear algebra | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by wjp):
* status: needs_review => needs_work
Comment:
I think that in the doctest you give there actually is insufficient
information, because you can't deduce the width of the left blocks, so an
exception is in my opinion the right thing to do there.
In the example in this ticket, it seems to break because it tries to
deduce the block dimensions in a single pass through the cells. In this
pass, it only determines the size of column 2 and rows 1 and 2. It might
need multiple passes to find all information.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4492#comment:6>
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