The Particle Swarm Gene Optimization (PSGO) method which is optimized by combining the inverse kinematics equation in the traditional Particle Swarm Optimization (PSO) method is proposed in this paper ...

How is it possible for the ISS to stay in orbit? Learn more about the science behind orbiting Earth and more in this NASA ...

An Elementary Treatise on Differential Equations Bookreader Item Preview remove-circle Share or Embed This Item. Share to Twitter. Share to Facebook. Share to Reddit. Share to Tumblr. Share to ...

On Earth, depending on where you are, the analemma can be at different angles, though it always traces out this ...

The exact solution of the Riccati-type approximate quaternion equation has made it possible to solve the problem of determining the quaternion of orientation of a rigid body for an arbitrary angular ...