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A Generalized Gradient Projection Algorithm with the Fisher Function for Solving the Constrained Optimization Problem
Author(s): WEI Zeng-xin, ZHAO Yan, CHEN Cui-ling
Pages: 102-
104
Year: 2006
Issue:
2
Journal: GUANGXI SCIENCES
Keyword: 约束优化; 梯度投影; 罚函数; Fisher函数; 全局收敛性;
Abstract: 通过引入一个辅助优化问题,将广义投影与罚函数技巧和Fisher函数φ(a,b)=√a2+b2-(a+b),(∨)a,b∈En的特殊性质:√a2+b2-(a+b)=0(=)a≥0,b≥0,ab=0结合起来,给出处理非线性等式、不等式约束问题的广义梯度投影算法,并证明该算法是全局收敛的.该算法不仅保持文献[6]的优点,而且还扩大了初始点的选择范围.
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