Non Convex Compressed Sensing for Non Gaussian Noise: GenProb(m,n,k) - File Exchange

Code covered by the BSD License

from Non Convex Compressed Sensing for Non Gaussian Noise by Angshul Majumdar
optimization of the form min ||x||_p subject to ||y-Ax||_q

GenProb(m,n,k)
function [y, A, x0] = GenProb(m,n,k) x0 = zeros(n,1); P = randperm(n); x0(P(1:k)) = randn(k,1); A = randn(m,n); for i = 1:n A(:,i) = A(:,i)/norm(A(:,i)); end y = A*x0;