Gradient Support Projection Algorithm for Affine Feasibility Problem with Sparsity and Nonnegativity

Lili Pan, Naihua Xiu, Shenglong Zhou

Let $A$ be a real $M\times N$ measurement matrix and $b\in {\mathbb{R}}^M$ be an observations vector. The affine feasibility problem with sparsity and nonnegativity ($AF{P}_{SN}$ for…