Prof. Lionel Smith Beale, F.R.S.

Lionel Shingleton Smith

Lionel Sharples Penrose (1898-1972), MA,MD,DSc,FRCP,FRS.

Prof. Dr. Prof. Prof.

Lionel Sharples Penrose (1898-1972).

Convergence Properties of Beale - Powell

The Beale-Powell restart algorithm is highly useful for large-scale unconstrained optimization. In this paper, we use an example to show that the algorithm may fail to converge. The global convergence of a slightly modiied algorithm is proved.