#10158: efficiency problem when constructing matrices from list of list
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Reporter: ylchapuy | Owner: jason, was
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.6.1
Component: linear algebra | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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this should be fast:
{{{
sage: M = matrix(ZZ, [[0]*50]*(10^6)])
}}}
see http://groups.google.com/group/sage-
support/browse_thread/thread/2f50741b171eaa1a
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10158>
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