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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA
// Copyright (C) 2013 - Scilab Enterprises - Adeline CARNIS
//
// 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 x = %sp_inv(a)
[ma, na] = size(a)
if ma<>na then
error(20,1)
end
warning("off")
Lup = umf_lufact(a);
warning("on")
x = sparse(umf_lusolve(Lup, eye(ma, na)));
umf_ludel(Lup)
endfunction
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