//SINGULAR ExampleA.7.19






ring R = 0,(x(0..3),t),dp;
ideal I = x(1)-t,x(2)-t2,x(3)-t3;
ideal J = eliminate(I,t);
J;

ideal Jh = homog(std(J),x(0));
eliminate(Jh,x(0));
eliminate(Jh,x(1));