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Toroidal coordinates: Difference between revisions
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* ''R<sup>2</sup> = X<sup>2</sup> + Y<sup>2</sup>'', and | * ''R<sup>2</sup> = X<sup>2</sup> + Y<sup>2</sup>'', and | ||
* tan ''φ'' = ''Y/X''. | * tan ''φ'' = ''Y/X''. | ||
''φ'' is called the ''toroidal angle'' (and not the ''cylindrical'' angle, at least not in the context of magnetic confinement). | |||
== Simple toroidal == | == Simple toroidal == | ||
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(''R<sub>0</sub>'' corresponding to the torus axis). | (''R<sub>0</sub>'' corresponding to the torus axis). | ||
''R'' is called the ''major radius'' and ''r'' the ''minor radius''. | ''R'' is called the ''major radius'' and ''r'' the ''minor radius''. | ||
''θ'' is called the ''poloidal angle''. | |||
== Toroidal == | == Toroidal == | ||