5.1.51 gen

Syntax:

gen ( int_expression )

Type:

vector

Purpose:

returns the i-th free generator of a free module.

Example:

ring r=32003,(x,y,z),(c,dp); gen(3); ==> [0,0,1] vector v=gen(5); poly f=xyz; v=v+f*gen(4); v; ==> [0,0,0,xyz,1] ring rr=32003,(x,y,z),dp; fetch(r,v); ==> xyz*gen(4)+gen(5)