"Source: Text/Geometry/Scheme.text";
"Line: 180";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/Scheme.text, line: 180
// Example: H122E2 ()
print "Example: H122E2";
ei := GetEchoInput();
SetEchoInput(true);
k := Rationals();
P<u,v,w,t> := ProjectiveSpace(k,3);
M := Matrix(CoordinateRing(P),2,3,[u,v,w,v,w,t]);
eqns := Minors(M,2);
C := Scheme(P,eqns);
C;
AmbientSpace(C);
Dimension(C);
assert $1 eq 1;
IsNonsingular(C);
assert $1;
SetEchoInput(ei);
