Changes

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{{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

  P = tf([1], [T1 1])   # create transfer function model

  step(P,2)            # plot step response

  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")

  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")

  plot ([0 T1], [1-1/e 1-1/e], "m")

  hold off

  hold off

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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 ===