问使用fprintf时没有获得新行

EN

function c = pyth(a,b)
% Takes two inputs of same size and returns the pythagorean of the 2 inputs
if size(a) == size(b) % checks for same size
    c = sqrt(a.*a + b.*b);  % calculates the pythagorean value
else
    fprintf('Error: Input sizes are not equal'); % returns if sizes are not the same
end

>> pyth([1 2;3 4],[5 6;7 8])
ans =
    5.0990    6.3246
    7.6158    8.9443
>>

>> pyth([1 2],[1 2;3 4])
Error: Input sizes are not equal>>