Posted by Precise Simulation on
URL: http://forum.featool.com/File-not-located-on-MATLAB-path-but-correct-path-is-known-by-MATLAB-tp1037p1040.html

If you're Matlab version hasn't changed, I'm guessing it is probably more related to changing OS/Windows,  possibly due to your OS paths (used by the "where" CLI tool to find things), but I'm only speculating.