http://img20.imageshack.us/img20/6323/222unled.jpg

Any idea how?

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- Oct 8th 2011, 05:21 PMsampfConverting 2nd order ODE to 1st order ODE's
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Any idea how? - Oct 8th 2011, 06:15 PMAckbeetRe: Converting 2nd order ODE to 1st order ODE's
Typically, you'd let $\displaystyle x_{1}=u$ and $\displaystyle x_{2}=\dot{u}.$ Then rewrite the DE using only those two variables and their derivatives. What do you get?