Einstein notation

Rarity: Uncommon

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

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

In mathematics, especially the usage of linear algebra in mathematical physics and differential geometry, Einstein notation (also known as the Einstein summation convention or Einstein summation notation) is a notational convention that implies summation over a set of indexed terms in a formula, thus achieving brevity.

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