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num1 = [1, 12, 32] den1 = [1, 24, 144, 0, 0] [p1, z1] = pzmap(num1, den1) figure, rlocus(num1, den1) tfGs=tf(num1,den1) zpGs=zpk(tfGs) [z,p,k]=zpkdata(zpGs,'v')  exer_1 num1 = 1 12 32 den1 = 1 24 144 0 0 p1 = 0.0000 + 0.0000i 0.0000 + 0.0000i -12.0000 + 0.0000i -12.0000 - 0.0000i z1 = -8 -4 tfGs = s^2 + 12 s + 32 ---------------------- s^4 + 24 s^3 + 144 s^2 Continuous-time transfer function. zpGs = (s+8) (s+4) ------------ s^2 (s+12)^2 Continuous-time zero/pole/gain model. z = -8 -4 p = 0.0000 + 0.0000i 0.0000 + 0.0000i -12.0000 + 0.0000i -12.0000 - 0.0000i k = 1 |
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來(lái)自： 行者h(yuǎn)ydraulics > 《MATLAB》
