diff m-toolbox/test/test_ao_metropolis.m @ 0:f0afece42f48

Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/test/test_ao_metropolis.m	Wed Nov 23 19:22:13 2011 +0100
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+% A test script for ao/metropolis
+% 
+% M Nofrarias 17-03-09
+% 
+% $Id: test_ao_metropolis.m,v 1.1 2009/03/18 14:00:13 miquel Exp $
+% 
+
+%% Make gaussian distribution
+
+gauss = ao(plist('xyfcn','1/(sqrt(2*pi)*2)*exp(-(x-5).^2./(2*2^2))','x',(-10:.01:20)))
+gauss.setName('gaussian pdf')
+
+%% Sample the distribution
+
+pl = plist('N',500,'J',2,'sigma',2,'range',[0 1]);
+b = metropolis(gauss,pl)
+
+% compute histogram
+c = hist(b,plist('N',15));
+prob = c./len(b(1))./(c(1).x(2)-c(1).x(1))
+prob.setName('histogram')
+
+%% Plot
+iplot(gauss,prob,plist('LineStyles',{'-','--','--'},'Function','stairs'))
+
+
+