D.2.4.14 content

Procedure from library poly.lib (see poly_lib).

Usage:

content(f); f polynomial/vector

Return:

number, the content (greatest common factor of coefficients) of the polynomial/vector f

Example:

LIB "poly.lib";
ring r=0,(x,y,z),(c,lp);
content(3x2+18xy-27xyz);
→ 3
vector v=[3x2+18xy-27xyz,15x2+12y4,3];
content(v);
→ 3