# Sparse Matrix Storage Formats

The current version of Intel MKL Sparse BLAS Level 2 and Level 3 routines support the following point entry [Duff86] storage formats for sparse matrices:

- compressed sparse row format (CSR) and its variations;

- compressed sparse column format (CSC);

- coordinate format;

- diagonal format;

- skyline storage format;

and one block entry storage format:

- block sparse row format (BSR) and its variations.

For more information see “Sparse Matrix Storage Formats” in the AppendixLinear Solvers Basics".

Parent topic: Sparse BLAS Level 2 and Level 3 Routines