/usr/share/psychtoolbox-3/PsychGamma/FitGammaExtPFun.m is in psychtoolbox-3-common 3.0.14.20170103+git6-g605ff5c.dfsg1-1build1.
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1 2 3 4 5 6 7 8 9 10 11 | function [err,con] = FitGammaExtPFun(x,values,measurements)
% [err,con] = FitGammaExtPFun(x,values,measurements)
%
% Error function for power function fit.
%
% 9/21/93 dhb Added positivity constraint.
% 8/12/15 dhb Fix typo, ComputeFSWSE -> ComputeFFSE.
predict = ComputeGammaExtP(x,values);
err = ComputeFSSE(measurements,predict);
con = [-x];
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