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”),[1] 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])[2][3][1]
IPA^(key): [kã̠ɰ̃sɨᵝː]

Noun

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

(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

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

References

Kindaichi, Kyōsuke et al., editors (1997), 新明解国語辞典 [Shin Meikai Kokugo Jiten] (in Japanese), Fifth edition, Tōkyō: Sanseidō, →ISBN
NHK Broadcasting Culture Research Institute, editor (1998), NHK日本語発音アクセント辞典 [NHK Japanese Pronunciation Accent Dictionary] (in Japanese), Tōkyō: NHK Publishing, →ISBN
Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tōkyō: Sanseidō, →ISBN

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

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[SMK5-1] Kindaichi, Kyōsuke et al., editors (1997), 新明解国語辞典 [Shin Meikai Kokugo Jiten] (in Japanese), Fifth edition, Tōkyō: Sanseidō, →ISBN

[NHK-2] NHK Broadcasting Culture Research Institute, editor (1998), NHK日本語発音アクセント辞典 [NHK Japanese Pronunciation Accent Dictionary] (in Japanese), Tōkyō: NHK Publishing, →ISBN

[DJR-3] Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tōkyō: Sanseidō, →ISBN

関数