| LIB "elim.lib";
ring r=0,(x,y,t,s,z),dp;
ideal i=x-t,y-t2,z-t3,s-x+y3;
elim1(i,ts);
==> _[1]=y2-xz
==> _[2]=xy-z
==> _[3]=x2-y
module m=i*gen(1)+i*gen(2);
m=elim1(m,3..4); show(m);
==> // module, 6 generator(s)
==> [y2-xz]
==> [0,y2-xz]
==> [xy-z]
==> [0,xy-z]
==> [x2-y]
==> [0,x2-y]
|