convert idtf data format to tf data format

2019 7 22
1 个回答
更新时间：2019 8 7
17 次查看（30 天）

回答（1 个）

Devineni Aslesha
Devineni Aslesha 2019-8-2
编辑：Devineni Aslesha 2019-8-7

0 个投票

I am assuming that you generated a transfer function using idtf command as shown below.
num = [1 4];
den = [1 20 5];
sys = idtf(num,den);
The following command can be used to convert idtf data format to tf data format.
[num, den] = tfdata(sys)
As the output is obtained in cell array format, use num{1} to get the numerator coefficients and use den{1} to get the denominator coefficients.
Refer to the below link for more information.
https://www.mathworks.com/help/control/ref/tfdata.html

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