errors running a function

this happens if I run the gauusian filter function

Answer 1

[Image Analyst]

Like it says, the sizes are different. You need to use padarray to make gl the same size as imgbf.

[nour]

i used padarray and it showed me an error "undefined function 'padarraymat2gray' for input arguments of type 'double'.

[Image Analyst]

You didn't use padarray. You used padarraymat2gray, which doesn't exist.