The Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Math Forum » Discussions » Software » comp.soft-sys.matlab

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: Transfer function (tf) with sqrt function.
Replies: 2   Last Post: Nov 18, 2009 11:25 AM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]

Posts: 19
Registered: 9/24/09
Re: Transfer function (tf) with sqrt function.
Posted: Nov 18, 2009 11:16 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

"Aleks Dyskin" <> wrote in message <he14qa$5fm$>...
> Hi!
> I have an analytic function f=sqrt(1+s)
> And i want to turn it to the transfer function by the next code:
> s=tf('s')
> sys=sqrt(1+s)
> But Matlab says:
> Undefined function or method 'sqrt' for input arguments of type 'tf'
> Could somebody help me with this issue? What should I do to overcome it?
> Thanks!

the function Sqrt(value)= (value) power 1/2=value^1/2....
The tf need the interger value in power to make your system. I think you cann?t give up something like that ...


Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2018. All Rights Reserved.