how can i change normal image to grayscale from menu editor gui?

[Filename,Pathname]=uigetfile({'*.jpg';'*.png'}, 'File Selector');

name=strcat(Pathname,Filename);

a=imread(name);

imshow(a);

........

this is to open file but i want to rgb2gray from this coding. how can i do? thank you for helping. im using menu editor gui and for rgb2gray that is another menu callback

Answer 1

[KALYAN ACHARJYA]

[Filename,Pathname]=uigetfile({'*.jpg';'*.png'}, 'File Selector');
name=strcat(Pathname,Filename);
a=rgb2gray(imread(name));
imshow(a);

[Zahir]

thank you