Dear all,

How can I resolve this error?

Error using rgb2ntsc>parse_inputs (line 52)
RGBMAP must be an M-by-3 array.

Error in rgb2ntsc (line 28)
A = parse_inputs(A);

Error in construct (line 17)
im = rgb2ntsc(im);

Error in run (line 48)
I_0 = construct(h2_0, I0);