Square-integrable function

Square-integrable function - function whose squared absolute value has finite integral. Article “Square-integrable function” in English Wikipedia has 18.8 points for quality (as of July 1, 2025). The article contains 6 references and 5 sections.

This article has the best quality in Arabic Wikipedia. However, this article is the most popular in English version.

In June 2025 the article “Square-integrable function” was edited by 2 authors in English Wikipedia and written by 2 authors in all languages.

Since the creation of article “Square-integrable function”, its content was written by 58 registered users of English Wikipedia and edited by 154 registered Wikipedia users in all languages.

The article is cited 302 times in English Wikipedia and cited 560 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #19591 in November 2002
• Global: #23770 in November 2002

The highest popularity rank from 2008:

• Local (English): #165899 in October 2014
• Global: #221983 in October 2014

There are 10 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 July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Arabic (ar) دالة كمولة تربيعيا		23.6356
2	English (en) Square-integrable function		18.7804
3	Dutch (nl) Kwadratische integreerbaarheid		11.0182
4	Chinese (zh) 平方可積函數		9.5717
5	French (fr) Carré sommable		7.6178
6	Japanese (ja) 自乗可積分函数		5.5542
7	Italian (it) Funzione a quadrato sommabile		4.08
8	Spanish (es) Función de cuadrado integrable		3.1404
9	Catalan (ca) Funció de quadrat integrable		1.8656
10	Greek (el) Τετραγωνικά ολοκληρώσιμη συνάρτηση		0.5434

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

The most popular language versions of the article "Square-integrable function" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Square-integrable function		817 080
2	French (fr) Carré sommable		99 549
3	Spanish (es) Función de cuadrado integrable		92 455
4	Italian (it) Funzione a quadrato sommabile		72 406
5	Japanese (ja) 自乗可積分函数		38 326
6	Chinese (zh) 平方可積函數		24 626
7	Greek (el) Τετραγωνικά ολοκληρώσιμη συνάρτηση		9 532
8	Dutch (nl) Kwadratische integreerbaarheid		5 423
9	Catalan (ca) Funció de quadrat integrable		2 503
10	Arabic (ar) دالة كمولة تربيعيا		1 039

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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 "Square-integrable function" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Square-integrable function		3 379
2	French (fr) Carré sommable		233
3	Italian (it) Funzione a quadrato sommabile		192
4	Japanese (ja) 自乗可積分函数		185
5	Chinese (zh) 平方可積函數		113
6	Spanish (es) Función de cuadrado integrable		111
7	Arabic (ar) دالة كمولة تربيعيا		20
8	Catalan (ca) Funció de quadrat integrable		20
9	Dutch (nl) Kwadratische integreerbaarheid		15
10	Greek (el) Τετραγωνικά ολοκληρώσιμη συνάρτηση		8

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

Language versions of the article "Square-integrable function" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Square-integrable function		58
2	Italian (it) Funzione a quadrato sommabile		30
3	French (fr) Carré sommable		29
4	Greek (el) Τετραγωνικά ολοκληρώσιμη συνάρτηση		8
5	Dutch (nl) Kwadratische integreerbaarheid		7
6	Spanish (es) Función de cuadrado integrable		6
7	Japanese (ja) 自乗可積分函数		5
8	Chinese (zh) 平方可積函數		5
9	Catalan (ca) Funció de quadrat integrable		4
10	Arabic (ar) دالة كمولة تربيعيا		2

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

Language versions of the article "Square-integrable function" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Square-integrable function		2
2	Arabic (ar) دالة كمولة تربيعيا		0
3	Catalan (ca) Funció de quadrat integrable		0
4	Greek (el) Τετραγωνικά ολοκληρώσιμη συνάρτηση		0
5	Spanish (es) Función de cuadrado integrable		0
6	French (fr) Carré sommable		0
7	Italian (it) Funzione a quadrato sommabile		0
8	Japanese (ja) 自乗可積分函数		0
9	Dutch (nl) Kwadratische integreerbaarheid		0
10	Chinese (zh) 平方可積函數		0

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

Language versions of the article "Square-integrable function" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Square-integrable function		302
2	French (fr) Carré sommable		76
3	Japanese (ja) 自乗可積分函数		53
4	Italian (it) Funzione a quadrato sommabile		35
5	Spanish (es) Función de cuadrado integrable		33
6	Chinese (zh) 平方可積函數		27
7	Catalan (ca) Funció de quadrat integrable		16
8	Dutch (nl) Kwadratische integreerbaarheid		7
9	Arabic (ar) دالة كمولة تربيعيا		6
10	Greek (el) Τετραγωνικά ολοκληρώσιμη συνάρτηση		5

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#	Language	Value
ar	Arabic دالة كمولة تربيعيا
ca	Catalan Funció de quadrat integrable
el	Greek Τετραγωνικά ολοκληρώσιμη συνάρτηση
en	English Square-integrable function
es	Spanish Función de cuadrado integrable
fr	French Carré sommable
it	Italian Funzione a quadrato sommabile
ja	Japanese 自乗可積分函数
nl	Dutch Kwadratische integreerbaarheid
zh	Chinese 平方可積函數

Best Rank

English: #165899 10.2014

Global: #221983 10.2014

Best Rank

English: #19591 11.2002

Global: #23770 11.2002

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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 July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information