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Additional help comments in ~/DL/Majorization Minimization DL/wrapper_mm_DL.m.
author Aris Gretsistas <aris.gretsistas@elec.qmul.ac.uk>
date Wed, 21 Mar 2012 18:27:23 +0000
parents b14209313ba4
children
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% Soft threshold operator for matrices
% [Y] = softthreshold(X,theta)
% X : input matrix
% theta : thresholding parameter
function [Y] = softthreshold(X,theta)
Y = X - min(theta,abs(X)).*sign(X);