Mercurial > hg > ltpda
view m-toolbox/classes/+utils/@math/Normcdf.m @ 44:409a22968d5e default
Add unit tests
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
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date | Tue, 06 Dec 2011 18:42:11 +0100 |
parents | f0afece42f48 |
children |
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Compute Normal cumulative distribution function % % CALL % % p = Normcdf(x,mu,sigma); % % % INPUT % % - x, data % - mu, distribution mean % - sigma, distribution standard deviation % % References: % [1] M. Abramowitz and I. A. Stegun, "Handbook of Mathematical % Functions", Government Printing Office, 1964, 26.2. % % % L Ferraioli 14-02-2011 % % $Id: Normcdf.m,v 1.1 2011/02/14 16:08:25 luigi Exp $ % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function p = Normcdf(x,mu,sigma) z = (x-mu)./sigma; p = 0.5*erfc(-z./sqrt(2)); end