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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-en.txt
function [Q]=orth(A)
// Orthogonal basis for the span of A.
// Range(Q) = Range(A) and Q'*Q=eye
//!
[X,n]=rowcomp(A);X=X';
Q=X(:,1:n);
endfunction
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