question about function pade and padecoef

Hi. I found function 'pade' and 'padecoef'. Would you tell me the difference in usage?

thanks in advance:)

[Oleg Komarov]

http://www.mathworks.co.uk/help/control/ref/pade.html

http://www.mathworks.co.uk/help/matlab/ref/padecoef.html