# Gmm++ Library¶

- Introduction
- Installation
- Matrix and Vector type provided by
*Gmm++* - Input and output with Harwell-Boeing and Matrix Market formats
- sub-vectors and sub-matrices
- Miscellaneous methods
- Basic linear algebra operations
- Solving triangular systems
- Dense LU decomposition
- Dense QR factorisation, eigenvalues and eigenvectors
- Iterative solvers
- Catch errors
- Interface with BLAS, LAPACK or ATLAS
- Interface with SuperLU
- How to use
*Gmm++*with QD type (double-double and quad-double) - First steps with
*Gmm++* - Deeper inside
*Gmm++* - How to disable verifications