在新线搜索下修正PRP共轭梯度法的收敛性 |
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作者单位: | ;1.广州大学华软软件学院;2.广州城建职业学院人文学院 |
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摘 要: | 介绍了一种新线搜索的背景,该线性搜索将wolfe线搜索中的参数范围由0δ1/2扩展至0δ1,并证明了修正PRP共轭梯度法在该线搜索下的全局收敛性.
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关 键 词: | 线搜索 PRP共轭梯度法 全局收敛性 |
Convergence of the modified PRP conjugate gradient method following a new line search |
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Institution: | ,South China Institute of Software Engineering,Guangzhou University,College of Humanities,Guangzhou City Construction College |
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Abstract: | This paper introduces a new line search which extends the parameter from 0<δ<1/2 to 0<δ<1.It also proves the global convergence of the modified PRP conjugate gradient method following this new line search. |
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Keywords: | line search PRP conjugate gradient method global convergence |
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