MATLAB Answers

How to create a transfer function with Gain K

141 views (last 30 days)
Robert
Robert on 1 Oct 2016
Answered: Walter Roberson on 29 Sep 2017
there was a previous post about this but it was never resolved
how does one create a TF with K = to some gain? except K is not known at the moment
for example
K*(S+2)/(S+3)
Once you create a tf data type you can not multiple it by a symbolic type.
How do you create a tf with an un specified gain?

  0 Comments

Sign in to comment.

Answers (2)

Walter Roberson
Walter Roberson on 1 Oct 2016

  11 Comments

Show 8 older comments
Star Strider
Star Strider on 2 Oct 2016
‘human knowledge is now estimated to be doubling every 12 to 18 months’
The parallel with Moore’s Law is too tempting to ignore. Correlation, causation, some universal limit, or something else?
Walter Roberson
Walter Roberson on 2 Oct 2016
When I was looking though the material for reference on the rate of change, it was not clear to me that the sites were distinguishing between "knowledge" and "data". For example they are mapping all of the neurons of a brain, which is producing masses of data, but we still need to analyze it to turn it into knowledge.
If the figure is really more about "data" then it makes sense for there to be a connection to Moore's law: as computers get faster and memory (and hard drive) prices drop, then for a constant price you can afford to increase the data stored.
Star Strider
Star Strider on 2 Oct 2016
For all except the essentially ‘pure’ deductive disciplines of pure mathematics, philosophy, and such (at least in my opinion), the difference between ‘data’ and ‘knowledge’ may not be distinct. In medicine for example, hardware and software advances make the ‘genomic revolution’ possible. It takes some very bright people to interpret the data, but in the absence of current technology to do the extremely rapid sequencing and intial processing of those results, those same data, and the understanding of the genetic contributions to disease that derive from them, would be years if not decades in the future.

Sign in to comment.


Walter Roberson
Walter Roberson on 29 Sep 2017
Ping Robert. Since I took the time to list the possibilities that are supported by MATLAB and described how they differed from what you appeared to be asking, how about if you either Accept my answer or else clarify what more response you are hoping for.

  0 Comments

Sign in to comment.