XYZ =
LjgToXYZ(Ljg)
Convert OSA Ljg to XYZ (10 degree). Works by using numerical
search to invert
XYZToLjg. See
XYZToLjg for details on
formulae used. See also
TestOSAUCS.
This can return imaginary values if you pass XYZ values
that are outside reasonable physical gamut limits.
3/27/01 dhb Wrote it.
3/4/05 dhb Handle new version of optimization toolbox, too.
Psychtoolbox/PsychColorimetric/LjgToXYZ.m