関数

Japanese

Kanji in this term
関	数
かん Grade: 4	すう Grade: 2
on’yomi

Alternative spellings
函數 (kyūjitai) 函数 (dated)

Etymology

From Chinese 函數／函数 (hánshù, “mathematical function”), itself first used in print in 1859 in Li Shanlan's Chinese translation of Elias Loomis's Elements of Analytical Geometry and of the Differential and Integral Calculus. 関 is a daiyōji replacing 函.

Pronunciation

• (Tokyo) かんす​う [kàńsúꜜù] (Nakadaka – [3])
• IPA^(key): [kã̠ɰ̃sɨᵝː]

Noun

関(かん)数(すう) • (kansū) ^{←くわんすう (kwansuu)?}

1. (mathematics, computing) function

Synonyms

(computing):

• プロシージャ (puroshīja): a procedure
• ファンクション (fankushon): a function
• メソッド (mesoddo): a method
• ルーチン (rūchin): a routine

Derived terms

Derived terms

• 組(く)み込(こ)み関数(かんすう) (kumikomikansū): built-in function
• 逆関数(ぎゃくかんすう) (gyakukansū): inverse function
• 正則関数(せいそくかんすう) (seisokukansū): regular function, holomorphic function
• 不連続関数(ふれんぞくかんすう) (furenzokukansū): discontinuous function
• 離散関数(りさんかんすう) (risankansū): discrete function
• 連続関数(れんぞくかんすう) (renzokukansū): continuous function

See also

• プロジェクト:数学/函数と関数 on the Japanese Wikipedia.Wikipedia ^ja

References

• 2002, Ineko Kondō; Fumi Takano; Mary E Althaus; et. al., Shogakukan Progressive Japanese-English Dictionary, Third Edition, Tokyo: Shōgakukan, →ISBN.