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2 bytes added ,  03:49, 29 September 2015
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<!-- {{SyntaxHighlight| -->
 
<!-- {{SyntaxHighlight| -->
 
{{Code|Creating a transfer function and plotting its response|<syntaxhighlight lang="octave" style="font-size:14px">
 
{{Code|Creating a transfer function and plotting its response|<syntaxhighlight lang="octave" style="font-size:14px">
  T1=0.4;               # time constant
+
  T1 = 0.4;             # time constant
  P=tf([1], [T1 1])     # create transfer function model
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  P = tf([1], [T1 1])   # create transfer function model
  step(P,2)            # plot step response
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  step(P, 2)            # plot step response
    
  #add some common markers like the tangent line at the origin, which crosses lim(n->inf) f(t) at t=T1
 
  #add some common markers like the tangent line at the origin, which crosses lim(n->inf) f(t) at t=T1
 
  hold on
 
  hold on
  plot ([0 T1], [0 1],"g")
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  plot ([0 T1], [0 1], "g")
  plot ([T1 T1], [0 1],"k")
+
  plot ([T1 T1], [0 1], "k")
  plot ([0 T1], [1-1/e 1-1/e],"m")
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  plot ([0 T1], [1-1/e 1-1/e], "m")
 
  hold off
 
  hold off
 
</syntaxhighlight>}}
 
</syntaxhighlight>}}
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[[File:Pt1.png|600px]]
 
[[File:Pt1.png|600px]]
   −
Try also <code style="font-size:14px; border:solid lightgray 1px; padding: 2px">bode(P)</code>!
+
Try also <code style="font-size:14px; border:solid lightgray 1px; padding: 2px">bode(P)</code> (a first order low-pass filter has -3db magnitude at f=1/T1).
(a first order low-pass filter has -3db magnitude at f=1/T1)
      
=== Inverted Pendulum ===
 
=== Inverted Pendulum ===
501

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