Although this site was up over 25 years it now soon will be shut down due to administrative reasons.
It will be further available on my new home page www.yvesedel.de

The check matrix of a [26,16,7]₄.

For more information see Inverting construction Y₁.

10000000010101230320101313
01000000001012303210212121
00100000010123032100213011
00010000001230321010122313
00001000012303210100123322
00000100023032101010010333
00000010030321010120001331
00000001003210101230001132
00000000132101012300000012
00000000000000000001111111

The prime polynomial used to generate GF(4) is: X²+X+1. The element f=aX+b, a,b in {0,1}, is written as the number a*2+b.

| Some codes | home |