Least change properties of ABS methods and their application in secant-type updates
作者:
Zhang Jianzhong,
Zhu Meifanci,
期刊:
Optimization Methods and Software
(Taylor Available online 1997)
卷期:
Volume 8,
issue 2
页码: 111-131
ISSN:1055-6788
年代: 1997
DOI:10.1080/10556789708805670
出版商: Gordon and Breach Science Publishers
关键词: ABS Method;Least Change Problem;Secant Update;Weak Secant Update
数据来源: Taylor
摘要:
The symmetric ABS method is considered for solving matrix equations. A remarkable feature of this method is that, for a given matrix equation, it provides a Solution in closed form that has interesting least change properties. This result is exploited to establish secant-type updates by solving certain least change problems. Both Broyden's updates for nonlinear systems of equations and the weak secant updates for unconstrained optimization proposed by Dennis and Wolkowicz are extended to the multiple case
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