. -- -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - - 0.0003016 s^2 + 0.01885 s + 14.67 >>Wk1=c2d(Ws,0.01,'zoh') Transfer function: 0.139 z + 0.1085 -- -- - -- - -- - -- - -- - -- - -- - . c2d(Ws,0.01,'foh') 2 Transfer function: 0.05773 z^2 + 0.1487 z + 0.04113 -- -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - z^2 + 0.8411 z + 0.5353 Sampling time: 0.01 >>Wk3= c2d(Ws,0.01,'tustin')...