/usr/share/psychtoolbox-3/PsychOptics/WestLSFMinutes.m is in psychtoolbox-3-common 3.0.11.20140816.dfsg1-1.
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1 2 3 4 5 6 7 8 9 10 | function lsf = WestLSFMinutes(distance)
% lsf = WestLSFMinutes(distance)
%
% Compute Westheimer's LSF function as a function
% of passed distance. Dadius passed in minutes of arc.
%
% 9/4/97 dhb Wrote it.
lsf = 0.47*exp(-3.3*(distance.^2)) + ...
0.53*exp(-0.93*(abs(distance)));
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