From Cornell University Computational Optimization Open Textbook - Optimization Wiki
Authors: Lihe Cao, Zhengyi Sui, Jiaqi Zhang, Yuqing Yan, and Yuhui Gu (6800 Fall 2021).
Introduction
Generic Line Search Method
Basic Algorithm
Search Direction for Line Search
Step Length
Convergence
Exact Search
Steepest Descent Method
Inexact Search
Backtracking
Zoutendijk’s Theorem
Numeric Example
Reference