Maxima Function
cont2part (pc, lvar)
returns the partitioned polynomial associated to the contracted form pc whose variables are in lvar.
(%i1) pc: 2*a^3*b*x^4*y + x^5; 3 4 5 (%o1) 2 a b x y + x (%i2) cont2part (pc, [x, y]); 3 (%o2) [[1, 5, 0], [2 a b, 4, 1]]