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math.HO2026
A First Course in Sparse Optimization
Jun Lu
This article aims to provide a comprehensive overview of sparse optimization, with a focus on both sparse signal recovery and sparse regularization techniques. We will begin by exp…
math.HO2024
Numerical Matrix Decomposition
Jun Lu
In 1954, Alston S. Householder published \textit{Principles of Numerical Analysis}, one of the first modern treatments on matrix decomposition that favored a (block) LU decompositi…