Quick question (hopefully) on Matlab transfer functions

  • #1

Homework Statement



I'm reading through the help files and came across this example:

s = tf('s');
H = s/(s^2 + 2*s +10);

I understand that when using a rational expression it must be specified, s= tf('s');

I also understand that the rational expression is entered through H=s/(s^2 + 2*s +10);

I'm just struggling a bit with how these two expressions connect to each other. To me it looks like s/(s^2 + 2*s +10) is being saved as H, but there is no H in the first expression. Is H arbitrary? Could s/(s^2 + 2*s +10) be saved under any name or is there significance in the letter H?
 

Answers and Replies

  • #2
OK, think I have it...

output, Y(s) = transfer function, H(s) x Input, U(s) so H is naming the transfer function within Matlab and this is the connection.
 

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