Kronecker delta

Rarity: Rare

A topic known well beyond its field, found in many languages.

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

Class

Notion

Domain

Science and technology

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What Wikipedia says

In mathematics, the Kronecker delta (named after Leopold Kronecker), is a function of two variables, usually non-negative integers. The function is 1 if the variables are equal, and 0 otherwise:

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