% File: http://web.mit.edu/8.13/matlab/Examples/doubleslit.m
% Date: 2008-June-13
% Author: Scott Sewell



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Simulating an exponential decay curve
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
x=[0:20:2000];
y=100*exp(-.005*x);
noisyy=fix(y+sqrt(y).*randn(1,length(y)));
sig=sqrt(y);
subplot(2,2,2);
errorbar(x,y,sig,'.');
title('Simulated Exponential Decay with Poisson Uncertainties');
xlabel('Bin');
ylabel('Counts');

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% File:   sampleerrorbars.m
% Date:   02-Nov-04
% Author: I. Chuang <ichuang@mit.edu>
%
% Demonstrate matlab plotting with vertical and horizontal error bars.
% Uses herrorbar() from www.mathworks.com
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
npts = 32;
xdat = linspace(0,2*pi,npts);
zdat = cos(xdat);
noise = (rand(1,npts)-0.5)/2;
ydat = zdat+noise;
subplot(2,2,3);
errorbar(xdat,ydat,0.2*ones(1,npts),'ko');
hold on;
herrorbar(xdat,ydat,0.1*ones(1,npts),'ko');
plot(xdat,zdat,xdat,ydat,'go');
grid on;
title('Sample matlab file demonstrating vertical and horozintal error bars');