annotate DL/Majorization Minimization DL/softthreshold.m @ 218:c38d965b5a1d luisf_dev

Moved CVX_add_const_Audio_declipping.m from solvers to the examples/AudioInpainting folder.
author Aris Gretsistas <aris.gretsistas@eecs.qmul.ac.uk>
date Thu, 22 Mar 2012 15:37:45 +0000
parents b14209313ba4
children
rev   line source
ivan@155 1 % Soft threshold operator for matrices
ivan@155 2 % [Y] = softthreshold(X,theta)
ivan@155 3 % X : input matrix
ivan@155 4 % theta : thresholding parameter
ivan@155 5 function [Y] = softthreshold(X,theta)
ivan@155 6 Y = X - min(theta,abs(X)).*sign(X);