Mercurial > hg > smallbox
view DL/Majorization Minimization DL/softthreshold.m @ 193:cc540df790f4 danieleb
Simple example that demonstrated dictionary learning... to be completed
author | Daniele Barchiesi <daniele.barchiesi@eecs.qmul.ac.uk> |
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date | Fri, 09 Mar 2012 15:12:01 +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);