# Lagrange's equations

> English word · Noun

## Definitions
1. A set of equations of motion of a mechanical system which relate the kinetic energy of the system to its generalized coordinates.

## Etymology
From Joseph Louis Lagrange, French mathematician and astronomer.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/lagrange-s-equations