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 [OSAUCSTest](OSAUCSTest).

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.
9/23/12 dhb, ms Update options for current Matlab versions.

Path   Retrieve current version from GitHub | View changelog