Some new GP features
holes in simultaneous assignment
The syntax [a, b, c] = V set a to V[1], b to V[2] and c to
V[3]. Now it is possible to omit some variables:
? gcdext(135,95)
%4 = [-7,10,5]
? [,v,d]=gcdext(135,95); [v,d]
%5 = [10,5]
? my([u,,d]=gcdext(135,95)); [u,d]
%6 = [-7,5]