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What is FISTA Optimization for Seismic Inversion about?

This document provides code to solve an inverse problem using compressive sensing and the Fast Iterative Shrinkage-Thresholding Algorithm (FISTA). FISTA is an iterative method that minimizes a cost function subject to constraints. It uses a backtracking line search to determine the step length at each iteration. The code sets up a 4x2 matrix A and vector b, initializes variables, and iteratively updates the estimate xk by soft thresholding to minimize the cost function until convergence within a specified t

Author

Tarique Adnan Siddiqui

Language

EN