File: pack.sci

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scilab 4.0-12
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function [M,sel]=pack(M,blck_szs)
//utility function (for use with semidef)
// Copyright INRIA
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