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annotate general/numerical/erfp.m @ 4:e44f49929e56

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Adding reorganised general toolbox, now in several subdirectories.
author samer
date Sat, 12 Jan 2013 19:21:22 +0000
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samer@4 1 function y=erfp(x)
samer@4 2 % erfp - returns Pr(X>x) for a normalised Gaussian random variable
samer@4 3 %
samer@4 4 % erfp :: X:real -> Z:real.
samer@4 5 %
samer@4 6 % Y = integeral from X to infinity of
samer@4 7 % (1/sqrt(2*pi)) * exp(-0.5*t.^2)
samer@4 8
samer@4 9 y = erfc(x/sqrt(2))/2;