Mercurial > hg > smallbox

view DL/Majorization Minimization DL/softthreshold.m @ 194:9b0595a8478d danieleb

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Debugged SMALL_DL_test and added copyright info
author Daniele Barchiesi <daniele.barchiesi@eecs.qmul.ac.uk>
date Tue, 13 Mar 2012 17:53:46 +0000
parents b14209313ba4
children
line wrap: on
line source
% 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);