"Source: Text/Basics/ModFld.text";
"Line: 590";
"Date: Thu Sep 25 14:47:46 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Basics/ModFld.text, line: 590
// Example: H29E5 ()
print "Example: H29E5";
ei := GetEchoInput();
SetEchoInput(true);
K<w> := CyclotomicField(8);
V := VectorSpace(K, 4);
x := V ! [ w, w^2, w^4, 0];
y := V ! [1, w, w^2, w^4];
x + y;
-x;
x - y;
w * x;
y * w^ -4;
Normalize(x);
InnerProduct(x, y);
z := V ! [1, 0, w, 0 ]; 
z;
Support(z);
SetEchoInput(ei);
