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tf is not working .

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Mang Thawng
Mang Thawng 2021-9-29
移动：Arkadiy Turevskiy 2024-1-11
R=470;
L=100*10^-3
C=0.22*10^-6
L =
0.1000
C =
2.2000e-07
num=[1/(R*C) 0]
num =
1.0e+03 *
9.6712 0
>> den=[1 1/(R*C) 1/(L*C)]
den =
1.0e+07 *
0.0000 0.0010 4.5455
>> T=tf(num, den)
'tf' requires one of the following:
Control System Toolbox
DSP System Toolbox
Model Predictive Control Toolbox
RF Toolbox
Signal Processing Toolbox

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Star Strider
Star Strider 2021-9-29
移动：Arkadiy Turevskiy 2024-1-11
Ran in:
License and install the Control System Toolbox and the code should work.
R=470;
L=100E-3;
C=0.22E-6;
L = 0.1000;
C = 2.2000e-07;
num=[1/(R*C) 0]
num = 1×2
1.0e+03 * 9.6712 0
den=[1 1/(R*C) 1/(L*C)]
den = 1×3
1.0e+07 * 0.0000 0.0010 4.5455
T=tf(num, den)
T = 9671 s ----------------------- s^2 + 9671 s + 4.545e07 Continuous-time transfer function.
figure
bodeplot(T)
.

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