> < ^ Date: 11 Aug 2003 08:17:27 -0500
< ^ From: Robert F. Morse <rm43@evansville.edu >
> < ^ Subject: Re: polynomial question

Dear David and GAP-forum,

I think you have your meaning of x wrong:

gap> R := PolynomialRing(Rationals,["x"]);
PolynomialRing(..., [ x ])
gap> x := IndeterminatesOfPolynomialRing(R)[1];
x
gap> f := x^2+1;
1+x^2
gap> f in R;
true

Robert F. Morse

On Sun, 2003-08-10 at 10:36, David Joyner wrote:
> Hello GAP Forum:
> 
> A minor question about the "in" command.
> 
> Why doesn't
> 
> gap> R := PolynomialRing(Rationals,["x"]);
> PolynomialRing(..., [ x ])
> gap>
> gap> f:=x^2+1;                            
> 1+x^2
> gap> f in R;
> false
> 
> return "true"? Am I using the "in" command wrong?
> 
> - David
> 
> 

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