The rate of convergence for the method of alternating projections .2.

[摘要] The purpose of the paper is threefold: (1) To develop a useful error bound for the method of alternating projections which is relatively easy to compute and remember; (2) To exhibit a counterexample to a conjecture of Kayalar and Weinert; (3) To show that (in the case of at least three subspaces) any error bound which only depends on the angles between the various subspaces involved can never be sharp. (C) 1997 Academic Press.

[发布日期] 1997-01-15