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Question
Squaring a sparse upper-triangular matrix results in more non-zero elements than its original self??
S=spconvert(dlmread('data.csv',',')); whos S: 400,000x400,000 double sparse 1.5GB nnz(S): 100,000,000 numel(S): 1.6e11 ...
8 years ago | 2 answers | 0
