Nyquist diagram of Delay functions

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mtkee2003

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hi

i want to plot Nyquist diagram of below system (that has "Delay function") in MATLAB:

G(s)H(s)=(e^(-2s))/(s+1)

that G(s)H(s) is the OPEN LOOP TRANSFER function.

is it possible to plot its Nyquist diagram.

thanks in advance, Mostafa
 

Hi

have a look at **broken link removed**

Sal
 

hi sal
i read your post and i saw your link:
**broken link removed**

it was not my problem. i know how i can plot the Nyquist diagram, but my problem is in plotting the open loop transfer functions that have the term e^(-s).

with best regards,
thanks in advance,
Mostafa.
 

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