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 [29,22,6]₉.

10000074411042100063252076243
01000035410721000432520662734
00100015407310004225206327643
00010015073100042152063276234
00001010331100421020632562743
00000101111104210006325227634
00000000000011111111111111111

The prime polynomial used to generate GF(9) is: X²+X-1. The element f=aX+b, a,b in {0,1,2}, is written as the number a*3+b.

The weight distribution:

A'₀= 1, A'₁₇= 8, A'₁₈= 360, A'₁₉= 2592, A'₂₀= 12512, A'₂₁= 41968, A'₂₂= 118488, A'₂₃= 283136, A'₂₄= 560776, A'₂₅= 911376, A'₂₆= 1133760, A'₂₇= 998400, A'₂₈= 557736, A'₂₉= 161856.

A₀= 1, A₆= 28504, A₇= 685248, A₈= 15061376, A₉= 280997984, A₁₀= 4496475120, A₁₁= 62135219680, A₁₂= 745617691272, A₁₃= 7800289696800, A₁₄= 71317025117520, A₁₅= 570536036309440, A₁₆= 3993752390969976, A₁₇= 24432367679118776, A₁₈= 130305960116518784, A₁₉= 603522344046754176, A₂₀= 2414089371277061200, A₂₁= 8276877851509532832, A₂₂= 24078190105796647320, A₂₃= 58625158524675305088, A₂₄= 117250317045579473872, A₂₅= 187600507274625671760, A₂₆= 230892932029756156880, A₂₇= 205238161804350598048, A₂₈= 117278949602469278760, A₂₉= 32352813683440862464.

| Some codes | home |