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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 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 h=%r_v_r(h1,h2)
// %r_v_r(h1,h2)=(I+h1*h2)\h1. h1 and h2 rational matrices
//!
[h1,h2]=sysconv(h1,h2),
[m1,n1]=size(h1("num"))
[m2,n2]=size(h2("num"))
if abs(n1-m2)+abs(m1-n2)<>0 then error(msprintf(_("%s: Wrong size for input argument(s).\n"),"%r_v_r")),end
if m1*n1==1 then
h=rlist(h1("num")*h2("den"),h1("num")*h2("num")+h1("den")*h2("den"),h1("dt"))
else
h=(eye(m1,m1)+h1*h2)\h1
end
endfunction
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