65.180 IsAffineCode

IsAffineCode( code )

IsAffineCode returns true if code is an affine code. A code is called em affine if it is an affine space. In other words, a code is affine if it is a coset of a linear code.

    gap> IsAffineCode( HammingCode( 3, GF(2) ) );
    true
    gap> IsAffineCode( CosetCode( HammingCode( 3, GF(2) ),
    > [ 1, 0, 0, 0, 0, 0, 0 ] ) );
    true
    gap> IsAffineCode( NordstromRobinsonCode() );
    false 

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GAP 3.4.4
April 1997