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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-en.txt
//
function [M,sel]=pack(M,blck_szs)
//utility function (for use with semidef)
sel=[]
kk=0
blck_szs=matrix(blck_szs,1,size(blck_szs,'*'))
for ni=blck_szs
k=kk
for j=1:ni
sel=[sel,k+(j:ni)]
k=k+ni
end
kk=kk+ni*ni
end
M=M(sel,:)
endfunction
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