Height of the Image

%% Height of the Image
% Determines the height of an image in front of diverging lens

% Inputs and Variables
focal = input('Focal length?\n');
h = input('Object height\n');
d = input('Object distance\n');

% Outputs and Equations
hprime = h*(focal/(focal-d))
fprintf('The height of the image is: %.3e m\n', hprime)