num::make_jacobi_preconditioner

Defined in header <linear/solvers/preconditioner.hpp>

jacobi_preconditioner make_jacobi_preconditioner(const mat<real> &A);  // (1)

jacobi_preconditioner make_jacobi_preconditioner(const spmat &A);  // (2)

(1) Construct a Jacobi preconditioner from a dense matrix diagonal.

(2) Construct a Jacobi preconditioner from a sparse matrix diagonal.