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- n=114708;
- fileID = fopen('BigMatrix.txt','r');
- dataArray = textscan(fileID,'%f%f%f%[^nr]', 'Delimiter',' ', 'MultipleDelimsAsOne', true);
- fclose(fileID);
- U1 = dataArray{:, 1};
- U2 = dataArray{:, 2};
- V = dataArray{:, 3};
- s=sparse(U1,U2,V,n,n);
- figure;
- spy(s);
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