Concave function

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.

At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

In mathematics, a concave function is one for which the function value at any convex combination of elements in the domain is greater than or equal to that convex combination of those domain elements. Equivalently, a concave function is any function for which the hypograph is convex.

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

Image: User:Mormegil, author of original image: cs:Wikipedista:Pajs, Public domain, via Wikimedia Commons.