Mercurial > hg > smallbox

view DL/Majorization Minimization DL/softthreshold.m @ 206:2882992f9e6e luisf_dev

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
added headeer to init file
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Tue, 20 Mar 2012 16:17:12 +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);