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Quickly and explicitly solving sets of differential equations.
FERN is a CUDA program that implements new methods for solving large sets of stiff differential equations using explicit integration methods. For the theory behind the program (due to Mike Guidry), see http://arxiv.org/abs/1112.4778 .
simulation of objects in space with classical mechanics
astronx simulates the motion of mass-centres in cartesian space. The mass-centres interact solely through gravity. astronx uses the Bulirsch-Stoer extrapolation algorithm with adaptive stepsize to integrate the newtonian equations of motion.
This project contains two packages. An Orbital Mechanics Study developing the physics equations related with satellite tracking and a libtool C++ library to encapsulate the satellite tracking calculations (gsat).
The threeaxis project will provide support for controlling three axis telescope mounts. This includes documentation of pointing equations, a simulation of the mount's motion, and real-time control software.