Re: Finding the coeffecent of the transfer function from the poles.

[Doug Stewart]

On Fri, Jun 3, 2016 at 3:44 PM, Doug Stewart <address@hidden> wrote:

On Fri, Jun 3, 2016 at 2:49 PM, shank1207 <address@hidden> wrote:

How do you find the transfer function from the poles for example i have the
given poles p1=-0.54887 + 0.89513*i and p2=-0.54887 - 0.89513*i; I want to
find the coefficient of the transfer function which is 1, 1.09774 and 1.1025
(s^2+1.0977s+1.1025)

Thanks



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p1=-0.54887 + 0.89513*i

p2=-0.54887 - 0.89513*i

d=poly([p1 p2])

--

DAS

clear

p1=-0.54887 + 0.89513*i

p2=-0.54887 - 0.89513*i

d=poly([p1 p2])

#or this

n=1

sys1=tf(n,d)

--

DAS