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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 [K,Y,err]=leqe(P21,Qx)
+ if typeof(P21)<>"state-space" then
+ error(msprintf(gettext("%s: Wrong type for input argument #%d: Linear state space expected.\n"),"leqe",1))
+ end
+
+ [A,B1,C2,D21,xo,dom]=P21(2:7)
+ [KT,Y,err]=leqr(syslin(dom,A',C2',B1',D21'),Qx);
+ K=KT';
+endfunction