function [a,b,s] = example_function(a, b)
%
% example to illustrate MATLAB functions.
% This function takes 2 input numbers, squares them, and adds the result.
%

a = a.^2;
b = b.^2;
s = a + b;
disp(['a is ' num2str(a) ', b is ' num2str(b) ', s is ' num2str(s)]);