#5297: [with patch, needs review] sparse vectors and free module elements:
pairwise_product is broken
----------------------------+-----------------------------------------------
Reporter: jhpalmieri | Owner: jhpalmieri
Type: defect | Status: new
Priority: critical | Milestone: sage-3.4.1
Component: linear algebra | Keywords:
----------------------------+-----------------------------------------------
{{{
sage: v = vector({1: 1, 3: -2})
sage: w = vector({3: 3})
sage: v
(0, 1, 0, -2)
sage: w
(0, 0, 0, 3)
sage: v.pairwise_product(w)
(0, 1, 0, -6)
sage: v.dense_vector().pairwise_product(w)
(0, 0, 0, -6)
}}}
(The last line illustrates that dense vectors seem to work okay.)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5297>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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