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Minpoly doesn't work for all matrices #7989
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comment:2
Attachment: trac-7989-minpoly-test.patch.gz Here are the bugs (doctests that fail) this patch exposes:
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Author: Jason Grout |
comment:5
Sorry, I don't understand the reason for this function. What is the idea behind it? |
comment:6
This is a great patch. I can't believe this has got ignored for the last 1.5 years. Regarding what needs to be fixed, the test failure you claim for matrix_integer_2x2 is:
This is because substitution isn't even implemented for that class:
Also, if one adds this for minpoly, it would make sense to also add _test_charpoly. -- William |
comment:7
OK. Works for me, too. Is it favored that we include a test that purposely fails? |
comment:8
Replying to @hedtke:
I think the idea is to include the test-suite checking and add the fixes needed to make the tests pass. |
comment:11
sage-6.2.beta4:
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New commits:
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Commit: |
Changed branch from u/jdemeyer/minpoly_doesn_t_work_for_all_matrices to public/ticket/7989 |
Branch pushed to git repo; I updated commit sha1. New commits:
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Branch pushed to git repo; I updated commit sha1. New commits:
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Branch pushed to git repo; I updated commit sha1. New commits:
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Branch pushed to git repo; I updated commit sha1. New commits:
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Changed author from Jason Grout to Jason Grout, Frédéric Chapoton |
comment:21
green patchbot, so please review |
comment:22
LGTM. |
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Reviewer: Travis Scrimshaw |
Changed branch from public/ticket/7989 to |
Right now, not all matrices can compute minpolys. This patch exposes these matrices.
CC: @kcrisman @rbeezer @mwhansen @hedtke @tscrim
Component: linear algebra
Author: Jason Grout, Frédéric Chapoton
Branch/Commit:
329d472
Reviewer: Travis Scrimshaw
Issue created by migration from https://trac.sagemath.org/ticket/7989
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