指示関数

Indicator function - function that returns 1 if an element is present in a specified subset and 0 if absent; naturally isomorphic with a set's subsets. Article "指示関数" in Japanese Wikipedia has 10.6 points for quality (as of November 1, 2023). The article contains 3 references and 8 sections. The article also contains quality flaw template, which reduce quality score.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that language version.

Since the creation of article "指示関数", its content was written by 28 registered users of Japanese Wikipedia and edited by 509 registered Wikipedia users in all languages.

The article is cited 171 times in Japanese Wikipedia and cited 1573 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Japanese): #6523 in July 2007
• Global: #19096 in June 2003

The highest popularity rank from 2008:

• Local (Japanese): #136213 in June 2020
• Global: #87261 in November 2021

There are 31 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from November 1, 2023 (including revision history and pageviews for previous years).

下表顯示了最高品質的文章的語言版本。

#	Language	Quality grade	Quality score
1	English (en) Indicator function		30.4257
2	Indonesian (id) Fungsi indikator		26.2701
3	Kazakh (kk) Сипаттауыш функция		21.255
4	Armenian (hy) Վեկտորի ինդիկատոր		18.6486
5	Ukrainian (uk) Характеристична функція		17.4978
6	German (de) Indikatorfunktion		16.1263
7	Korean (ko) 지시 함수		14.91
8	Hebrew (he) פונקציה מציינת		14.2414
9	Basque (eu) Funtzio adierazle		11.7609
10	Japanese (ja) 指示関数		10.6397

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "指示関数" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Indicator function		1 614 552
2	French (fr) Fonction caractéristique (théorie des ensembles)		203 106
3	German (de) Indikatorfunktion		159 375
4	Japanese (ja) 指示関数		144 311
5	Russian (ru) Индикатор (математика)		114 368
6	Italian (it) Funzione indicatrice		104 654
7	Chinese (zh) 指示函数		98 518
8	Spanish (es) Función indicatriz		80 081
9	Polish (pl) Funkcja charakterystyczna zbioru		68 039
10	Korean (ko) 지시 함수		38 733

More...

The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "指示関数" in October 2023

#	Language	Popularity award	Relative popularity
1	English (en) Indicator function		12 092
2	German (de) Indikatorfunktion		1 621
3	French (fr) Fonction caractéristique (théorie des ensembles)		1 568
4	Chinese (zh) 指示函数		949
5	Russian (ru) Индикатор (математика)		875
6	Japanese (ja) 指示関数		801
7	Italian (it) Funzione indicatrice		782
8	Spanish (es) Función indicatriz		666
9	Indonesian (id) Fungsi indikator		597
10	Korean (ko) 지시 함수		505

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "指示関数" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Indicator function		115
2	German (de) Indikatorfunktion		60
3	French (fr) Fonction caractéristique (théorie des ensembles)		37
4	Russian (ru) Индикатор (математика)		33
5	Italian (it) Funzione indicatrice		31
6	Japanese (ja) 指示関数		28
7	Hebrew (he) פונקציה מציינת		24
8	Dutch (nl) Indicatorfunctie		22
9	Polish (pl) Funkcja charakterystyczna zbioru		22
10	Finnish (fi) Indikaattorifunktio		15

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "指示関数" with the highest AI in October 2023

#	Language	AI award	Relative AI
1	English (en) Indicator function		1
2	Spanish (es) Función indicatriz		1
3	Bulgarian (bg) Индикаторна функция		0
4	Catalan (ca) Funció característica (matemàtiques)		0
5	Czech (cs) Charakteristická funkce		0
6	Danish (da) Indikatorfunktion		0
7	German (de) Indikatorfunktion		0
8	Basque (eu) Funtzio adierazle		0
9	Persian (fa) تابع مشخصه		0
10	Finnish (fi) Indikaattorifunktio		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "指示関数" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Indicator function		287
2	Japanese (ja) 指示関数		171
3	French (fr) Fonction caractéristique (théorie des ensembles)		144
4	Korean (ko) 지시 함수		119
5	German (de) Indikatorfunktion		112
6	Polish (pl) Funkcja charakterystyczna zbioru		97
7	Italian (it) Funzione indicatrice		69
8	Ukrainian (uk) Характеристична функція		63
9	Russian (ru) Индикатор (математика)		61
10	Persian (fa) تابع مشخصه		58

More...

#	Language	Value
bg	Bulgarian Индикаторна функция
ca	Catalan Funció característica (matemàtiques)
cs	Czech Charakteristická funkce
da	Danish Indikatorfunktion
de	German Indikatorfunktion
en	English Indicator function
es	Spanish Función indicatriz
eu	Basque Funtzio adierazle
fa	Persian تابع مشخصه
fi	Finnish Indikaattorifunktio
fr	French Fonction caractéristique (théorie des ensembles)
he	Hebrew פונקציה מציינת
hi	Hindi सूचक फलन
hu	Hungarian Karakterisztikus függvény
hy	Armenian Վեկտորի ինդիկատոր
id	Indonesian Fungsi indikator
it	Italian Funzione indicatrice
ja	Japanese 指示関数
kk	Kazakh Сипаттауыш функция
ko	Korean 지시 함수
ms	Malay Fungsi penunjuk
nl	Dutch Indicatorfunctie
pl	Polish Funkcja charakterystyczna zbioru
pt	Portuguese Função indicadora
ru	Russian Индикатор (математика)
sr	Serbian Функција индикатор
ta	Tamil சுட்டுச் சார்பு
th	Thai ฟังก์ชันบ่งชี้
uk	Ukrainian Характеристична функція
vi	Vietnamese Hàm chỉ thị
zh	Chinese 指示函数

Best Rank

Japanese: #136213 06.2020

Global: #87261 11.2021

Best Rank

Japanese: #6523 07.2007

Global: #19096 06.2003

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from November, 2023. When calculating current popularity and AI of articles data from October 2023 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information