#20512: 0 by 0 minor of a matrix should belong to the base ring
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Reporter: kedlaya | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-7.2
Component: linear algebra | Resolution:
Keywords: schemes, | Merged in:
Jacobian, matrix, minors | Reviewers:
Authors: Kiran Kedlaya | Work issues:
Report Upstream: N/A | Commit:
Branch: | d2f604fa8ae2d4b16b4f3f38b4abd078268de401
u/kedlaya/jacobian_of_the_tautologous_subscheme_of_a_toric_variety_is_broken|
Stopgaps:
Dependencies: |
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Changes (by {'newvalue': u'Kiran Kedlaya', 'oldvalue': ''}):
* status: new => needs_review
* commit: => d2f604fa8ae2d4b16b4f3f38b4abd078268de401
* author: => Kiran Kedlaya
Comment:
I changed matrix/matrix2.pyx to fix the underlying issue with minors, and
added a doctest to schemes/generic/algebraic_scheme.py to confirm that
Jacobian is no longer broken.
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New commits:
||[http://git.sagemath.org/sage.git/commit/?id=d2f604fa8ae2d4b16b4f3f38b4abd078268de401
d2f604f]||{{{Corrected return value of minors(0) for matrices}}}||
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Ticket URL: <http://trac.sagemath.org/ticket/20512#comment:4>
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