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view DL/Majorization Minimization DL/softthreshold.m @ 160:e3035d45d014 danieleb

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Added support classes
author Daniele Barchiesi <daniele.barchiesi@eecs.qmul.ac.uk>
date Wed, 31 Aug 2011 10:53:10 +0100
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);