February 2014
Intermediate to advanced
300 pages
11h 15m
English
Content preview from Iterative Optimization in Inverse Problems
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Chapter 3
Barrier-Function and
Penalty-Function Methods
3.1 Barrier Functions ................................................ 35
3.2 Examples of Barrier Functions ................................... 36
3.2.1 The Logarithmic Barrier Function ...................... 36
3.2.2 The Inverse Barrier Function ............................ 36
3.3 Penalty Functions ................................................ 39
3.4 Examples of Penalty Functions .................................. 39
3.4.1 The Absolute-Value Penalty Function .................. 39
3.4.2 The Courant-Beltrami Penalty Function ................ 40
3.4.3 The Quadratic-Loss Penalty Function .................. ...
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