{Undefined function or variable 'raysub'.
Error in plotoi5 (line 2476)
        if ~strcmp(raysub,'worst/') && exist('latcz') && length(latcz)>0;
        plot_czrays; end
Error in poi5 (line 4477)
plotoi5  % time_dirn
Error in dopoi_om (line 444)
          beg='';  poi5;} 
MATLAB: management.cpp:671: find: Assertion `' failed.
MATLAB: management.cpp:671: find: Assertion `' failed.