[fit_out,x,err] =
FitGammaPow(values_in,measurements,values_out,x0)
Fit extended power function to gamma data.
4/08/02 awi Turned off warnings before calling constr to avoid future obsolete warning.
4/13/02 dgp Fixed the warning suppression to save and restore original state.
3/4/05 dhb Handle new version of optimization toolbox.
Psychtoolbox/PsychGamma/FitGammaExtP.m