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 Post subject: questions
PostPosted: Sun Feb 21, 2010 9:58 pm 

Joined: Sun Feb 21, 2010 9:03 am
Posts: 3
Hello Singular Users,
i just start using singular and i have some questions:
1. i am looking for a command that can find a relation between a finite set of polynomials.
2. is there a command that determine weather a polynomial in some finitely generated ideal or not. i saw a function for radical ideal.

thanks in advance


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 Post subject: Re: questions
PostPosted: Sun Feb 21, 2010 11:58 pm 
Site Admin

Joined: Thu Nov 13, 2008 10:52 am
Posts: 26
Dear Mr. Jaradat,
first of all, thank you for your interest in Singular. Indeed, your request is related to two of Singular core routines:
Jaradat wrote:
1. i am looking for a command that can find a relation between a finite set of polynomials.

You are probably looking for the syz command, see
http://www.singular.uni-kl.de/Manual/latest/sing_298.htm#SEC339
in the manual.

Jaradat wrote:
2. is there a command that determine weather a polynomial in some finitely generated ideal or not. i saw a function for radical ideal.

Please have a look at the normal form command NF, at http://www.singular.uni-kl.de/Manual/latest/sing_275.htm#SEC316. The basic usage is as follows:
Code:
NF(f,std(i))
.

Best regard,
Alexander Dreyer


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