The LS conjugate gradient method was changed in this paper, in which the technique of nonmonotone line search is used.Under mild assumption, the global convergence of the method was proved.

 
  • 对LS共轭梯度法做了某些变型,在非单调线搜索下,该方法保证每次迭带都会产生下降的方向,在较弱的条件下得到算法全局收敛性。
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