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  1. woeiken

    Solving system of ODE using rkfixed

    I have a system of ODE. There are 6 unknowns (4 second derivative, and 2 first derivative), and 6 equations. In each differential equation, that particular unknwon is a function of 5 other unknowns, all to their highest order of derivatives. My experience on MATHCAD is limited, but based on...
  2. woeiken

    Solving system of ODE

    I would like to solve systems of ODE of at least 2nd order and above. I know in the mathcad help, there are references on solving systems of ODE up to the first order only. I understand how it works, but still couldn't figure out what to do if there is 2nd derivative in the system. Could...

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