minresqlpModule.f90 File Reference

MINRES-QLP algorithm. More...

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Modules
module	minresqlpmodule
	MINRESQLP solves symmetric systems Ax = b or min ||Ax - b||_2, where the matrix A may be indefinite and/or singular. "A" is really (A - shift*I), where shift is an input real scalar.

Functions/Subroutines
subroutine, public	minresqlpmodule::minresqlp (n, aprod, b, shift, msolve, disable, nout, itnlim, rtol, maxxnorm, trancond, acondlim, x, istop, itn, rnorm, arnorm, xnorm, anorm, acond)
	Solution of linear equation system or least squares problem.
subroutine, public	minresqlpmodule::symortho (a, b, c, s, r)
	SymOrtho: Stable Householder reflection.

Detailed Description

MINRES-QLP algorithm.

Definition in file minresqlpModule.f90.