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How to factor polynomials in var('x') over the semi-ring of polynomials with non-negative integer coefficients ?

asked 2013-11-03 06:06:34 +0200

Edinah gravatar image

Is there an easy way in sage to determine the factorization of a polynomial in the variable x ( having non-negative integer coefficients), over the semi-ring of polynomials in the variable x with non-negative integer coefficients.

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answered 2013-11-03 10:35:36 +0200

tmonteil gravatar image

You can not (yet?) define polynomials over NN in Sage, because it is not a ring. What you can do is to define your polynomial over ZZ, find its factors (as elements of ZZ[x]), and then recombine them to find polynomials with non-negative entries.

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Asked: 2013-11-03 06:06:34 +0200

Seen: 858 times

Last updated: Nov 03 '13