引用本文: |
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袁功林,韦增欣.一个新的BFGS信赖域算法[J].广西科学,2004,11(3):195-196,200. [点击复制]
- Yuan Gonglin,Wei Zengxin.A New BFGS Trust Region Algorithm[J].Guangxi Sciences,2004,11(3):195-196,200. [点击复制]
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摘要: |
给出能够保持校正矩阵是正定的新的BFGS信赖域算法,以及该算法的全局收敛性和其二次收敛速度. |
关键词: 信赖域算法 BFGS方法 全局收敛性 收敛速度 |
DOI: |
投稿时间:2003-12-04修订日期:2004-04-15 |
基金项目:广西自然科学基金资助项目(9811020)。 |
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A New BFGS Trust Region Algorithm |
Yuan Gonglin, Wei Zengxin
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(Coll. of Math., & Info. Sci., Guangxi Univ., 100 Daxuelu, Nanning, Guangxi, 530004, China) |
Abstract: |
A new BFGS-trust-region algorithm which ensures a positive update matrix was given.It's global convergence and quadratieally convergent speed were given. |
Key words: trust-region algorithm BFGS method global convergence convergence speed |