# Landen's transformation

> English word · Noun

## Definitions
1. A mapping of the parameters of an elliptic integral, useful for the efficient numerical evaluation of elliptic functions.

## Etymology
Originally due to John Landen.

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