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diff m-toolbox/classes/+utils/@math/Chi2cdf.m @ 0:f0afece42f48

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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/classes/+utils/@math/Chi2cdf.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,31 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% 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
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