一类基于Halley-Newton型的有效修正算法

谢亚君

A Class of Efficient Modified Algorithms Based onHalley-Newton Methods

Yajun Xie

表 2 例4.2的数值测试结果

方法 MHN1 MHN2 NM Halley 参数 α= 2, β = 2, γ = 1.8 β = 2, γ = 1.8 初值 It 15 11 - 14 (2, 1, 1)T CPU 0.019879 0.020301 - 0.023726 Val 1.2505e-007 2.9591e-007 - 3.4397e-007 It 15 14 - 22 (1, 0, 1)T CPU 0.019571 0.019100 - 0.019471 Val 9.4170e-007 5.3605e-007 - 6.9823e-007 It 11 11 - 18 (10, 10, 10)T CPU 0.020074 0.018517 - 0.021271 Val 9.4538e-007 5.5233e-007 - 1.6925e-007