#8337: factorization of multivariate polynomials is terribly slow
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Reporter: zimmerma | Owner: malb
Type: defect | Status: new
Priority: major | Milestone: sage-4.3.4
Component: commutative algebra | Keywords:
Author: Paul Zimmermann | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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From http://groups.google.com/group/sage-
support/browse_thread/thread/72fbc6d6f5a7d746#, with sage 4.3.3:
{{{
sage: var('E1, E2, E4, E5, E10, E20');
sage: var( 'q' );
sage: t=(E20^16*E5^8*q^4*E2^24 + (-E20^16*E5^8*q^4*E4^8*E1^16 + (-E10^24 +
E20^8*E5^16)*E4^16*E1^8))
sage: factor(t)
}}}
does not answer in reasonable time (a few seconds).
Maple 13 answers in less than a second (and says the polynomial
is irreducible).
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8337>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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