create a function in a script matlab code example

Example 1: declaring a function in matlab

%%%% general syntax %%%%%%%%%%%%%
function [return parameters] = name_of_function(attributes)
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    body_of_the_function
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    
end

Example 2: how to write a function in matlab

function f = fact(n)
    f = prod(1:n);
end