SciPy provides seven(7) sparse matrix there are following :
* Block Sparse Row matrix (BSR)
* Coordinate list matrix (COO)
* Compressed Sparse Column matrix (CSC)
* Compressed Sparse Row matrix (CSR)
* Sparse matrix with Diagonal storage (DIA)
* Dictionary Of Keys based sparse matrix (DOK)
* Row-based linked list sparse matrix (LIL)
