Undefined function or variable 'f'
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Hamrayev Sohib 35 Матлаб
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>> n = [1,4 1,54 0,252] n =
1 4 1 54 0 252
>> d = [1 1,833 1,5278 0,694] d =
Columns 1 through 6
1 1 833 1 5278 0 Column 7 694
>> [n1,d1] = tfdata (f,'d' )
>> [n1,d1] ??? Undefined function or variable 'n1'. >> z = 0
z =
0
>> f=tf(n,d) Transfer function: s^5 + 4 s^4 + s^3 + 54 s^2 + 252 ------------------------------------------ s^6 + s^5 + 833 s^4 + s^3 + 5278 s^2 + 694 >> [n1,d1] = tfdata(f,'d') n1 =
0 1 4 1 54 0 252
Columns 1 through 6 1 1 833 1 5278 0 Column 7 694
>> z=zero(f)
z =
-5.7148
>> p=pole(f) p =
-0.5033 +28.7466i
>> k=dcgain(f) k =
0.3631
>> b=bandwidth(f) b =
0.5667
>> f_ss=ss(f) a = x1 x2 x3 x4 x5 x6 x1 -1 -26.03 -0.003906 -2.577 -0 -0.08472 x2 32 0 0 0 0 0 x3 0 8 0 0 0 0 x4 0 0 8 0 0 0 x5 0 0 0 2 0 0 x6 0 0 0 0 2 0 b = u1 x1 1 x2 0 x3 0 x4 0 x5 0 x6 0 c = x1 x2 x3 x4 x5 x6 y1 1 0.125 0.003906 0.02637 0 0.03076 d = u1 y1 0 Continuous-time model. >> f_ss.d=1 a = x1 x2 x3 x4 x5 x6 x1 -1 -26.03 -0.003906 -2.577 -0 -0.08472 x2 32 0 0 0 0 0 x3 0 8 0 0 0 0 x4 0 0 8 0 0 0 x5 0 0 0 2 0 0 x6 0 0 0 0 2 0 b = u1 x1 1 x2 0 x3 0 x4 0 x5 0 x6 0 c = x1 x2 x3 x4 x5 x6 y1 1 0.125 0.003906 0.02637 0 0.03076 d = u1 y1 1 Continuous-time model. >> k1=dcgain(f_ss) k1 =
1.3631
>> f_zp=zpk(f) Zero/pole/gain: (s+5.715) (s^2 + 0.9804s + 5.685) (s^2 - 2.695s + 7.757) --------------------------------------------------------------------------- (s^2 - 2.301e-005s + 0.1343) (s^2 - 0.00654s + 6.25) (s^2 + 1.007s + 826.6) >> pzmap(f) >> [wc,ksi,p]=damp(f) wc =
0.3665
-0.0000
-0.0013 -0.0013 0.0175 0.0175 p = 0.0000 + 0.3665i 0.0000 - 0.3665i 0.0033 + 2.4999i 0.0033 - 2.4999i -0.5033 +28.7466i -0.5033 -28.7466i >> [wc,ksi,p]=damp(f) wc =
0.3665
-0.0000
-0.0013 -0.0013 0.0175 0.0175 p = 0.0000 + 0.3665i 0.0000 - 0.3665i 0.0033 + 2.4999i 0.0033 - 2.4999i -0.5033 +28.7466i -0.5033 -28.7466i >> Ltiview Download 294.23 Kb. Do'stlaringiz bilan baham: 
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