#8974: Added eigenvalues, eigenvector, eigenspaces and minpoly to vector space
endomorphisms
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Reporter: mmarco | Owner: jason, was
Type: enhancement | Status: needs_work
Priority: trivial | Milestone: sage-4.4.4
Component: linear algebra | Keywords: eigenvalues
Author: Miguel Marco | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by davidloeffler):
I don't like the inconsistency. After all, matrices have base rings too,
and your argument applies identically to the matrices rather than the
endomorphism objects.
If you don't like the way it's currently implemented for matrices, you can
start a debate on sage-devel if you want. It's perfectly possible that it
could be changed, with an optional argument called something like
"base_extend" to give users the option to choose whichever behaviour they
want. But I absolutely insist that the behaviour should be the same for
matrices and for morphisms of vector spaces represented by matrices.
David
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8974#comment:4>
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