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Laplace Transform to Solve a Diff. Eq. System spent hours on this one =*(

  1. May 1, 2010 #1
    1. The problem statement, all variables and given/known data
    [PLAIN]http://img710.imageshack.us/img710/3381/38442384.jpg [Broken]

    3. The attempt at a solution
    [PLAIN]http://img695.imageshack.us/img695/6295/56987528.jpg [Broken]

    Thanks in advance,
    JJ
     
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. May 1, 2010 #2

    gabbagabbahey

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    Shouldn't you have [tex]s\textbf{I}-\textbf{A}=\begin{pmatrix}s+3 & -4 \\ 2 & s-3\end{pmatrix}[/itex] in your first step?
     
  4. May 1, 2010 #3
    oh my gosh... yes that's exactly what I did wrong. Thank you sooooooo much! It's amazing how some silly mistakes can just stop you in your tracks and drive you crazy some times.
     
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