"Source: Text/Code/CodeZ4.text";
"Line: 2061";
"Date: Thu Sep 25 14:47:47 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Code/CodeZ4.text, line: 2061
// Example: H169E22 ()
print "Example: H169E22";
ei := GetEchoInput();
SetEchoInput(true);
C := HadamardCodeZ4(2, 4);
C;
d := MinimumLeeDistance(C);
t := Floor((d-1)/2);
t;
C0 := BinaryResidueCode(C);
C1 := BinaryTorsionCode(C);
t0 := Floor((MinimumDistance(C0)-1)/2);
t1 := Floor((MinimumDistance(C1)-1)/2);
t0, t1;
R, V, f, fbin := InformationSpace(C);
i := R![2,1,0];
c := f(i);
c;
u := c;
u[5] := u[5] + 3;
u[7] := u[7] + 2;
c;
u;
e := u - c;
e;
isDecoded, uDecoded := LiftedDecode(C, u);
isDecoded;
uDecoded eq c;
u := c;
u[5] := u[5] + 1;
u[7] := u[7] + 2;
c;
u;
e := u - c;
e;
isDecoded, uDecoded := LiftedDecode(C, u);
isDecoded;
uDecoded eq c;
SetEchoInput(ei);
