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Diff Eq: Variation of Parameters for 3rd-ODE's

  1. Mar 29, 2009 #1
    1. The problem statement, all variables and given/known data

    http://img27.imageshack.us/img27/6083/variationofparametersfop.jpg [Broken]
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Mar 30, 2009 #2


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    I don't see any attempt to do anything yourself.
  4. Mar 30, 2009 #3
    Well I'm not sure how to start it off.
  5. Mar 30, 2009 #4
    Then you need to tell us what is confusing you.
  6. Mar 30, 2009 #5
    [tex]W_1(t)[/tex]= [tex]g(t)(y_2(t)y_3'(t)-y_3(t)y_2'(t))[/tex]

    Then, [tex]u_1(t)=\int(W_1/W)[/tex] and so forth for [tex]u_2[\tex] and [tex]u_3[/tex]
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