Using variation of parameters to solve a second order DE

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February 15th 2009, 11:57 AM
ben.mahoney@tesco.net

Using variation of parameters to solve a second order DE

i have to use variation of parameters method for this ode
$<br /> \frac{d^2y}{dt^2} + w^2y = Eo sin(wt)<br />$
where Eo and w are constants

i have found the complementary function
$<br /> Aexp(wit) + Bexp(-wit) or Ccos(wt) + Dsin(wt)<br />$

what are my y1 and y2 values?

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