"Source: Text/Geometry/AlgSrf.text";
"Line: 5954";
"Date: Mon Mar 29 22:30:18 2021";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Geometry/AlgSrf.text, line: 5954
// Example: H123E32 ()
print "Example: H123E32";
ei := GetEchoInput();
SetEchoInput(true);
P2 := ProjectiveSpace(RationalField(),2);
pts := [P2| [-5,-10,-8], [-4,10,-4], [8,-2,-5], [0,-10,0], [1,5,7], [-7,-8,-6]];
S := DelPezzoSurface(pts);
_<W, X, Y, Z> := AmbientSpace(S); // give names to the variables
S;
MinimizeReduce(S);
T := DelPezzoSurface(pts[1..5]);
_<V, W, X, Y, Z> := AmbientSpace(T);
T;
MinimizeReduce(T);
SetEchoInput(ei);
