Im writing a program that calculates the trajectory of a particle in an arbitrary force field.(adsbygoogle = window.adsbygoogle || []).push({});

the force field is a vector function of position (x, y, z) AND velocity (x', y', z').

Rk4= runge kutta forth order method

Please help. Thanks!

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# How do I apply rk4 to a second order pde?

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