cal =
CalibrateFitYoked(cal)
Fit the gamma data from the yoked measurements.
4/30/10 dhb, kmo, ar Wrote it.
5/24/10 dhb Update comment.
5/25/10 dhb, ar New input format.
5/28/10 dhb, ar Execute conditionally.
6/10/10 dhb Make sure returned gamma values in range an monotonic.
Psychtoolbox/PsychCal/CalibrateFitYoked.m