FUNCTION: heralg[perpgen] - the projective generator of the right perpendicular category of a module

CALLING SEQUENCE:
perpgen(x, Q)

PARAMETERS:
x - a vector
Q - a quiver given by a quiverdata structure

SYNOPSIS:

EXAMPLES:

> with(heralg):

> perpgen(array([4,5,0]), [3,[[2,1,2],[3,2]]]);

[Maple Math]

> Q:= [ 4, [[2,1], [3,1], [3,2], [4,3]]];

[Maple Math]

> x := array( [ 9,6,6,2 ] );

[Maple Math]

> perpgen(x,Q);

[Maple Math]

SEE ALSO: heralg/quiverdata, heralg[perp_quiver]

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