《信息与计算科学:偏微分方程数值解的有效条件数》主要介绍偏微分方程数值解的有效条件数.首先介绍有效条件数的概念,与经典条件数概念的差异,接着将有效条件数运用于TREFFTZ方法;我们还讨论了有限差分和有限元方法的有效条件数,□后研究了截断奇异值分解和TIKHONOV正则化的有效条件数。
Preface
Acknowledgments
Chapter 1 Effective Condition Number
1.1 Introduction
1.□ Preliminary
1.3 Symmetric Matrices
1.3.1 Definitions of effective condition numbers
1.3.□ A posteriori computation
1.4 Overdetermined Systems
1.4.1 Basic algorithms
1.4.□ Refinements of (1.4.10)
1.4.3 Criteria
1.4.4 Advanced refinements
1.4.5 Effective condition number in p-norms
1.5 Linear Algebraic Equations by GE or QR
1.6 Application to Numerical PDE
1.7 Application to Boundary Integral Equations
1.8 Weighted Linear Least Squares Problems
1.8.1 Effective condition number
1.8.□ Perturbation bounds
1.8.3 Applications and comparisons
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