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Pell's equation

Pell's equation noun: the Diophantine equation x²-my²=1 for a given integer m, to be solved in integers x and y.

Noun

Pell's equation (plural Pell's equations)

  1. The Diophantine equation x²-my²=1 for a given integer m, to be solved in integers x and y.
    • However, due to Euler's mistake in attributing the equation to English mathematician John Pell (1610-1585), Equation (27.14) is called Pell's equation. Results concerning Pell's equation will be stated without proof.1974, Allan M. Kirch, Elementary Number Theory: A Computer Approach, Intext Educational Publishers, page 212
    • Thus (P,Q) satisfies Pell's equation and so by Lemma 1, P#47;Q is a convergent to #92;sqrtd.1989, Mathematics Magazine, Volume 62, Mathematical Association of America, page 258

Synonyms of Pell's equation

Forms of Pell's equation

pluralPell's equations
alternative formPell equation

Origin of Pell's equation

Named by Leonhard Euler after the 17th-century mathematician John Pell, whom Euler mistakenly believed to be the first to find a general solution.

Words formed from Pell's equation

Questions about Pell's equation

What does Pell's equation mean?
Pell's equation means the Diophantine equation x²-my²=1 for a given integer m, to be solved in integers x and y.
What part of speech is Pell's equation?
Pell's equation is a noun.
What is the plural of Pell's equation?
The plural of Pell's equation is Pell's equations.

Words near Pell's equation in the dictionary

  1. Pell Grant
  2. Pell Grants
  3. pell mell
  4. Pell number
  5. Pell numbers
  6. Pell's equation
  7. Pell's equations
  8. Pell-Fermat equation
  9. Pell-Fermat equations
  10. pell-mell
  11. Pella

Source and license

Adapted from Wiktionary: Pell's equation (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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