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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) ????-2008 - INRIA
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
function [n,d]=cmndred(num,den)
//Syntax: [num,den]=cmndred(num,den)
//
//Given the transfert matrix defined by num./den, cmndred computes
//polynomial matrix n and a common denominator d such that
//n/d=num./den
//!
[m1,n1]=size(num)
d=1;for dk=matrix(den,1,m1*n1),d=lcm([d,dk]),end
for l=1:m1
for k=1:n1
n(l,k)=num(l,k)*pdiv(d,den(l,k));
end;
end;
endfunction
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