文摘
英文文摘
声明
Chapter 1.Introduction
1.1 Large-scale nonlinear optimization problems
1.2 Conjugate gradient methods
1.3 Spectral gradient methods
1.4 Projected gradient methods
Chapter 2.A modified Liu-Storey conjugate gradient method
2.1 New algorithm and some preliminary properties
2.2 Convergence analysis for general nonlinear functions
2.3 Numerical experiments
Chapter 3.A new spectral gradient method
3.1 Derivation of a new class of stepsizes
3.2 New spectral gradient algorithm
3.3 Computational results and analysis
Chapter 4.A new nonmonotone spectral projected gradient method on closed convex set
4.1 Some properties
4.2 New algorithm and global convergence
4.3 Numerical results
Chapter 5.Concluding remarks
参考文献
致谢
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