Deflation of Conjugate Gradients with Applications to Boundary Value Problems 论文
1987SIAM Journal on Numerical Analysis引用 254
Matrix Theory and AlgorithmsIterative Methods for Nonlinear EquationsAdvanced Optimization Algorithms Research
摘要
A method for improving the convergence of the standard conjugate gradient method is given. This method involves the use of auxiliary subspaces It is shown how such subspaces may be constructed for boundary value problems and an analysis of convergence for second order problems is presented.