probability distribution function (normal distribution) 1.0

This function calculates the probability under the normal distribution curve, plots the graph and the area calculated.Normaldistribution calculating the area under a normal distribution curve from -ve infinity upto point x. Input: x : point on the normal distribution curve mean : mean of the normal distribution curve sigma : standard deviation of the normal distribution curve (hint: normal dist mean=0, sigma=1) plotting: Plot the calculated area if plotting = 1 Output: area under the curve. Example: x=[-20:20] % your data points sigma=length(x)/2/3.5 % PDF width is 3.5 sigma mean=0 % mean between -20 and 20 normaldistribution(0, mean, sigma,1) % Calculate area from -inf to 0 Author: Sherif Omran University and university hospital of Zurich Date: May 2009 Part of my phd thesis: email: sherif.omran@gmx.de

Requirements:	No special requirements
Platforms:	Matlab
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