比较经典的求解线性方程的方法 原理是C.C. Paige and M.A. Sauders等你提出的-Comparison of classical methods for solving linear equations

The GMRES method was developed by Yousef Saad and Martin H. Schultz in 1986.[1] GMRES is a generalization of the MINRES method developed by Chris Paige and Michael Saunders in 1975. GMRES also is a special case of the DIIS method developed by Peter P

krylov子空间法 krylov子空间方法的程序实现，用于解高阶矩阵-Matlab Codes for Krylov subspace methods 1. MINRES method by Paige and Saunders implementation function [ x, istop, itn, rnorm, Arnorm, Anorm, Acond, ynorm ] = ... minres( A, b, M, shift, show, check, itnlim