# MatVecInfoOp¶

class probnum.linalg.solvers.information_ops.MatVecInfoOp

Matrix-vector product $$s_i \mapsto A s_i$$ with the system matrix.

Obtain information about a linear system by multiplying an action $$s_i$$ with the system matrix giving $$y_i = A s_i$$.

Methods Summary

 __call__(solver_state) Matrix vector product with the system matrix $$A$$.

Methods Documentation

__call__(solver_state)[source]

Matrix vector product with the system matrix $$A$$.

Parameters

solver_state (ProbabilisticLinearSolverState) – Current state of the linear solver.

Return type

ndarray