File: lcm.sci

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function [p,fact]=lcm(p)
//p=lcm(p) computes the lcm of polynomial vector p
//[pp,fact]=lcm(p) computes besides the vector fact of factors 
//such that  p.*fact=pp*ones(p)
//!
// Copyright INRIA
[m,n]=size(p),
p=matrix(p,m*n,1),
p0=p(1);fact=1;
for l=2:m*n,
  [u,v]=simp(p0,p(l)),
  p0=p0*v,
  fact=[v*fact,u],
end,
fact=matrix(fact,m,n),
p=p0;