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hash values for matrices #19050

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videlec opened this issue Aug 18, 2015 · 3 comments
Closed

hash values for matrices #19050

videlec opened this issue Aug 18, 2015 · 3 comments
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c: linear algebra r: duplicate t: bug

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@videlec
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videlec commented Aug 18, 2015

The current hash for matrices is a complete mess

sage: M = MatrixSpace(GF(3),2,2).list()
sage: for m in M: m.set_immutable()
sage: len(M)
81
sage: len(set(map(hash,M)))
8

duplicate of #10950

CC: @nbruin @nathanncohen

Component: linear algebra

Issue created by migration from https://trac.sagemath.org/ticket/19050
@videlec videlec added this to the sage-6.9 milestone Aug 18, 2015
@kedlaya
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kedlaya commented Oct 22, 2017

comment:1

Would this be resolved by #10950?

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@videlec
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videlec commented Oct 22, 2017

Changed dependencies from #19016 to none

@videlec videlec removed this from the sage-6.9 milestone Oct 22, 2017
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@kedlaya @jdemeyer @videlec