User:Leastsquare/MINRES

Minimum residual method (MINRES) is a Krylov subspace method for solving a symmetric system of linear equations. It is based on the Lanczos algorithm to find an approximate solution with minimum residual in a Krylov subspace.

MINRES is developed by Chris Paige and Michael Saunders in 1975.

Extensions
GMRES MINRES-QLP