# Linear Systems Solvers¶

The settings parameter linsys_solver defines the solver for the linear system. In C/C++ it corresponds to an integer c_int (see Data types) and in the other high level languages to a string.

Solver

String option

C/C++ Constant

Integer value

QDLDL

“qdldl”

QDLDL_SOLVER

0

MKL Pardiso

“mkl pardiso”

MKL_PARDISO_SOLVER

1

To add new linear system solvers see Interfacing new linear system solvers.