FUNCTION: eulf
CALLING SEQUENCE:
eulf(f1,f2)
f1, f2 - two classes of type quiver
SYNOPSIS:
EXAMPLES:
> with(tubular):
>
read_in(3,3,3);
>
f1 := get_class([4/3,3,0,2]); f2 := get_class([4/3,3,1,7]);
>
show(f1); show(f2);
>
eulf(f1,f2);
>
eulf(f2,f1);
SEE ALSO: quaf, get_class, tubular/datatypes
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