#19050: hash values for matrices
------------------------------+----------------------------
Reporter: vdelecroix | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.9
Component: linear algebra | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies: #19016
Stopgaps: |
------------------------------+----------------------------
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
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/19050>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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