#5184: [with patch, needs review] nonzero_positions is broken for sparse vectors
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Reporter: jhpalmieri | Owner: jhpalmieri
Type: defect | Status: assigned
Priority: major | Milestone: sage-3.4.1
Component: linear algebra | Keywords:
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Changes (by jhpalmieri):
* owner: was => jhpalmieri
* status: new => assigned
Comment:
Here's a patch. This doesn't actually change {{{nonzero_positions}}}
(except for adding a doctest); instead it changes addition, subtraction,
and scalar multiplication for sparse free module elements so that these
only keep nonzero dictionary entries.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5184#comment:3>
Sage <http://sagemath.org/>
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