numRows numCols totalNonZeroValues for each column: numNonZeroValues for each non-zero value in the column: rowIndex value
Rows are indexed starting with 0. Newlines and spaces are equivalent.
4 3 2.3 0 4.2 0 1.3 2.2 3.8 0 0.5 0 0 0Sparse Text Format:
4 3 6 2 0 2.3 2 3.8 1 1 1.3 3 0 4.2 1 2.2 2 0.5