view m-toolbox/classes/+utils/@math/Chi2cdf.m @ 44:409a22968d5e
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Add unit tests
author
Daniele Nicolodi <nicolodi@science.unitn.it>
date
Tue, 06 Dec 2011 18:42:11 +0100 (2011-12-06)
parents
f0afece42f48
children
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+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ − %
+ − % Compute Chi square cumulative distribution function
+ − %
+ − % CALL
+ − %
+ − % p = Chi2cdf(x,v);
+ − %
+ − %
+ − % INPUT
+ − %
+ − % - x, data
+ − % - v, degrees of freedom of the distribution
+ − %
+ − % References:
+ − % [1] M. Abramowitz and I. A. Stegun, "Handbook of Mathematical
+ − % Functions", Government Printing Office, 1964, 26.4.
+ − %
+ − %
+ − % L Ferraioli 14-02-2011
+ − %
+ − % $Id: Chi2cdf.m,v 1.2 2011/05/30 17:18:09 luigi Exp $
+ − %
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ − function p = Chi2cdf(x,v)
+ −
+ − % Call the gamma distribution function.
+ − p = gammainc(x./2,v/2);
+ −
+ −
+ − end