#9212: top-level identity_matrix and zero_matrix functions should return mutable
matrices
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Reporter: jason | Owner: jason, was
Type: defect | Status: new
Priority: major | Milestone: sage-4.4.4
Component: linear algebra | Keywords:
Author: Jason Grout | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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After #8276, the top-level identity_matrix and zero_matrix functions
return immutable matrices, which is a backwards-incompatible change that
is inconvenient in many cases (when code starts with those matrices as the
base and then modifies them).
This patch makes these matrices mutable.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9212>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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