fixed point

See also: fixed-point

English

Noun

fixed point (plural fixed points)

1. (computing) A fractional-number representation with a fixed number of digits after the decimal point. Compare floating point and integer.
2. (mathematics) A value which is unchanged by a function or other mapping. Formally: a value $x$ for which $f(x)=x$.

   Synonym: fixpoint

Derived terms

• Banks-Zaks fixed point
• Brouwer fixed-point theorem
• Kleene fixed-point theorem
• Lefschetz fixed-point theorem
• Tarski's fixed-point theorem

 

• (mathematics): attractor
• idempotence
• nullipotence

Translations

value unchanged by a mapping

• Chinese:

  Mandarin: 不動點／不动点 (bùdòngdiǎn), 定點／定点 (zh) (dìngdiǎn)

• Czech: pevný bod m
• Finnish: kiintopiste
• French: point fixe (fr) f
• Greek: σταθερής υποδιαστολής (el) f (statherís ypodiastolís)
• Hungarian: fixpont (hu)
• Japanese: 固定小数点 (こていしょうすうてん, kotei shōsūten)
• Kazakh: қозғалмайтын нүкте (qozğalmaityn nükte)
• Portuguese: ponto fixo m
• Romanian: punct fix n
• Spanish: punto fijo m
• Swedish: fixpunkt (sv) c

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

• Serbo-Croatian: fiksna točka f
• Swedish: fixpunkt (sv) c

Adjective

fixed point (not comparable)

1. (computing) Pertaining to fixed point representations or operations.

Alternative forms

• fixed-point

Antonyms

• floating point

Translations

in computing

• Chinese:

  Cantonese: 定点 (ding⁶ dim²), 定點／定点 (ding⁶ dim²)

  Hokkien: 定点 (tēng-tiám), 定點／定点 (zh-min-nan) (tēng-tiám)

  Mandarin: 定点 (zh) (dìngdiǎn), 定點／定点 (zh) (dìngdiǎn)

• Finnish: kiinteän pilkun
• French: virgule fixe (fr) f
• German: Fixkomma-
• Hungarian: fixpontos
• Polish: stałoprzecinkowy m
• Turkish: sabit noktalı