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Laplace Transform

  1. Aug 11, 2010 #1
    Hi guys..:)

    I have a doubt regarding laplace transform.
    can anyone tel me... what is the physical significance of sigma+jw in it...?
    what interpretations we can make from sigma and jw in control theory....?
  2. jcsd
  3. Aug 11, 2010 #2

    Char. Limit

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    Gold Member

    Well, do you mean this?

    [tex]\sigma + j \omega[/tex]

    Here, [itex]\sigma[/itex] is the real part and [itex]\omega[/itex] is the imaginary part of a complex number...
  4. Aug 11, 2010 #3
    First thank u soo much for ur kind reply...:)

    ya the same...i need to know the physical significance of it...:)

    for why we r goin for it...:)
  5. Aug 11, 2010 #4
    k...if sigma=4 and then omega=5 rad..

    then wat we can say from it...? wat does it indicate
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