Spherical harmonics

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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Notion

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Science and technology

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What Wikipedia says

In mathematics and physical science, spherical harmonics are special functions defined on the surface of a sphere. They are often employed in solving partial differential equations in many scientific fields. The table of spherical harmonics contains a list of common spherical harmonics.

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

Image: Inigo.quilez, CC BY-SA 3.0, via Wikimedia Commons.