PR共轭梯度算法的全局收敛性

摘要

In this paper, a new Armijo_type line search algoithm that ensures global convergence of Polak_Ribiere conjugate gradient method for the unconstrained optimization is proposed.%给出一种新的Armijo型的线搜索，在该搜索下PR共轭梯度算法能保证无约束最优化问题的全局收敛性.