sm1.gb_reduction

sm1.gb_reduction(F,A)

: It returns a reduced form of F in terms of A by using a normal form algorithm. h[1,1](D)-homogenization is used.

Example:

 input
   F=[2*(h-x-y)*dx+h^2,2*(h-x-y)*dy+h^2]$
   FF=[F,"x,y",[[dx,1,dy,1],[x,-1,y,-1,dx,1,dy,1]]]$
   sm1.gb_reduction((h-x-y)^2*dx*dy,FF);

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