/usr/share/psychtoolbox-3/PsychGamma/ComputeGammaWeib.m is in psychtoolbox-3-common 3.0.11.20131230.dfsg1-1build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | function output = ComputeGammaWeib(x,input)
% output = ComputeGammaWeib(x,input)
%
% Compute gamma table using Weibull function.
%
% 10/3/93 dhb Created from code written by jms.
% 10/3/93 dhb,jms Normalize output to max of 1.
% Better be sure that last value is max setting.
alpha = x(1);
beta = x(2);
z = (input./ alpha) .^ beta;
output = ( 1.0 - exp( - z ) );
output = NormalizeGamma(output);
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