i am executing the code below and getting the error"Index exceeds matrix dimensions. Error in principale_peppers (line 7) g=X(:,:,2)/255" can anyone help.

X=imread('d:\images\peppers.bmp'); X=double(X); [l1,l2,l3]=size(X);

r=X(:,:,1)/255; g=X(:,:,2)/255; b=X(:,:,3)/255;

Answer 1

[Luuk van Oosten]

Have a look here at the answer, or any other previous answered questions regarding 'index exceeds matrix dimensions' problems around this forum.

You are trying to access a value in your matrix that does not exists.