35 lines
748 B
Matlab
Executable File
35 lines
748 B
Matlab
Executable File
function [z,F] = binaryindex(n,m,Fin)
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% Number of bits needed
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k=ceil(log2(m));
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w=2^k;
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b=dec2bin(0:w-1);
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for i = 1:m
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pattern{i} = str2num(strrep(strrep(b(i,:),'1',' 1 '),'0',' 0 '));
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end
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z=sdpvar(n,m,'full');
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delta = binvar(n,k,'full');
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F=([]);
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M=m;
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for iz=1:n
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for jz=1:m
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t=0;
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for i = 1:length(pattern{jz})
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if pattern{jz}(i)
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F=F+( -M*delta(iz,i) <= z(iz,jz) <= M*delta(iz,i));
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t=t+1-delta(iz,i);
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else
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F=F+( -M*(1-delta(iz,i)) <=z(iz,jz)<= M*(1-delta(iz,i)));
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t=t+delta(iz,i);
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end
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end
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F=F+(-M*t <= z(iz,jz)-1 <= M*t);
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end
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end
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F=F+(m-1 >= delta*2.^((k-1:-1:0)'));
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if nargin == 3
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F= F+Fin;
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end |