Recent content by sotnet

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    Distance between two points in polar coordinate system.

    Guys, Any ideas on how to calculate distance between two points in Polar coordinate system without converting their coordinates to Cartesian? Ps. I know that if I converted from Polar (r, t) to Cartesian (x, y) by x = r.cos(t), y = r.sin(t), then the distance between two points would be d =...
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    Magnetic Dipole Moment - Vector Orientation

    Guys, I don't quite understand the concept of magnetic dipole moment as a vector. Suppose we have a magnet (like a rod) in 3 dimensional space. North pole at (0, 0, 0) and South pole at (0, 1, 0). How would the magnetic dipole vector \vec{m} be oriented? Thanks.
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    Energy of magnetic field created by magnetic dipoles in a shphere.

    Dear everyone, I am researching genetic algorithms and at the moment I am trying to solve a problem how would magnetic particles (dipoles) orient themselves in a thin hollow sphere. Suppose that I have N magnetic dipoles placed in the sphere. There is no external magnetic field. The...
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