Multipole expansion

Rarity: Common

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

A multipole expansion is a mathematical series representing a function that depends on angles—usually the two angles used in the spherical coordinate system (the polar and azimuthal angles) for three-dimensional Euclidean space,

Excerpt from the Wikipedia article “Multipole expansion”, under the CC BY-SA 4.0 license. Read the article on Wikipedia