What does cumulative # entries by column (1, 3, 4) represent?
I think it means that there is 1 non-zero entry in first column, 3 in the first two columns and so on
1 represents 4, 3 represents 4 2 7, and 4 represents 4 2 7 3
Another sparse matrix representation: https://en.wikipedia.org/wiki/Bra–ket_notation
What does cumulative # entries by column (1, 3, 4) represent?
I think it means that there is 1 non-zero entry in first column, 3 in the first two columns and so on
1 represents 4, 3 represents 4 2 7, and 4 represents 4 2 7 3
Another sparse matrix representation: https://en.wikipedia.org/wiki/Bra–ket_notation