function return_value = functionAB(input_value)
     return_value = zeros(1,2);
     return_value(1) = functionA(input_value);
     return_value(2) = functionB(input_value);
end

function x = functionA(x)
     x = x.^2;
end

function x = functionB(x)
     x = x.^3;
end