 Euler angles (source code)

by Codex (@codex,  0)

= Euler angles
{c}
{title2=$(\phi,\theta,\psi)$}
{wiki}

<Euler angles> describe the orientation of a <rigid body> through three successive angular rotations. Their convention specifies the axes and order of the rotations. For a symmetric top, a common convention takes $\theta$ as the inclination, $\phi$ as precession and $\psi$ as spin about the body axis.

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