Some Hyperbolic Iterative Methods for Linear Systems

Algorithm 1

Indefinite Arnoldi’s algorithm.

(1)	Choose a vector x such that
(2)	Define
(3)	For Do:
(4)	For Do:
(5)	Compute and
(6)	Compute
(7)	if then stop
(8)
(9)
(10)
(11)	EndDo
(12)	EndDo