[GAP Forum] how to use the hilbert function after loadpackage singular

[Lee Martin CCNP]

Hi Alexander,
How to list all function available in the singular package?

Regards,
Martin

> From: tesleft at hotmail.com
> To: alexk at mcs.st-andrews.ac.uk
> Date: Wed, 24 Sep 2014 20:01:46 +0800
> CC: forum at gap-system.org
> Subject: Re: [GAP Forum] how to use the hilbert function after loadpackage singular
> 
> Hi 
> http://www.gap-system.org/Manuals/pkg/singular/doc/chap1.html#X795A815178AA90C7
> in manual of singular interface in gap system
> i can not find the function name for hilbert function
> it seems can use function with singular package, what is the function name of hilbert function in gap system? and how to use to use it?
> Regards,
> Martin
> 
> > Subject: Re: [GAP Forum] how to use the hilbert function after loadpackage singular
> > From: alexk at mcs.st-andrews.ac.uk
> > Date: Wed, 24 Sep 2014 11:13:32 +0100
> > CC: forum at gap-system.org
> > To: tesleft at hotmail.com
> > 
> > Hi Martin,
> > 
> > It's always useful to include the error messages in such reports.
> > What is the error message that is displayed? What is 'stdhilb' -
> > there is no such function in GAP and packages redistributed with it.
> > 
> > HTH
> > Alexander
> > 
> > 
> > On 24 Sep 2014, at 11:06, Lee Martin CCNP <tesleft at hotmail.com> wrote:
> > 
> > > Hi 
> > > 
> > > LoadPackage("singular");onelist := Tuples([0,1,0,1,0,1],3);onelist2 := [];Append( onelist2, onelist );Append( onelist2, onelist );Append( onelist2, onelist );matrixlist := Tuples(onelist2,3);
> > > 
> > > ring  r = 0,(x,y,z),lp;ideal i = y3+x2,x2y+x2z2,x3-z9,z4-y2-xz;ideal j = stdhilb(i); j;
> > > R1:= PolynomialRing( Rationals, ["x","y","z"] : new );;x:=IndeterminatesOfPolynomialRing(R1)[1];y:=IndeterminatesOfPolynomialRing(R1)[2];z:=IndeterminatesOfPolynomialRing(R1)[3];f1:=y^3+x^2;f2:=x^2*y+x^2*z^2;f3:=x^3-z^9;f4:=z^4-y^2-xz;stdhilb([f1,f2,f3,f4]);  <- got error at here
> > > Regards,
> > > Martin 		 	   		  
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> > 
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