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How can I compute Intersect of Ideals?

asked 2013-06-05 03:31:15 -0500

Neda gravatar image

hello Could you please tell me how can I compute intersect of two or more Ideals? Thank you

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answered 2013-06-05 03:59:42 -0500

tmonteil gravatar image

I am not sure i understand your question, but you may try:

sage: R.<x> = PolynomialRing(QQ, 1) ; R
Multivariate Polynomial Ring in x over Rational Field
sage: I = R.ideal(x^2-1) ; I
Ideal (x^2 - 1) of Multivariate Polynomial Ring in x over Rational Field
sage: J = R.ideal(x^2-2) ; J
Ideal (x^2 - 2) of Multivariate Polynomial Ring in x over Rational Field
sage: I.intersection(J)
Ideal (x^4 - 3*x^2 + 2) of Multivariate Polynomial Ring in x over Rational Field
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Asked: 2013-06-05 03:31:15 -0500

Seen: 638 times

Last updated: Jun 05 '13