Square-integrable function

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Square-integrable function

Quality:

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.

Languages with the highest quality

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

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

Most popular in all the time

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

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

Most popular in June 2025

The most popular language versions of the article "Square-integrable function" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Square-integrable function
3 379
2French (fr)
Carré sommable
233
3Italian (it)
Funzione a quadrato sommabile
192
4Japanese (ja)
自乗可積分函数
185
5Chinese (zh)
平方可積函數
113
6Spanish (es)
Función de cuadrado integrable
111
7Arabic (ar)
دالة كمولة تربيعيا
20
8Catalan (ca)
Funció de quadrat integrable
20
9Dutch (nl)
Kwadratische integreerbaarheid
15
10Greek (el)
Τετραγωνικά ολοκληρώσιμη συνάρτηση
8
More...

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

The highest AI

Language versions of the article "Square-integrable function" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Square-integrable function
58
2Italian (it)
Funzione a quadrato sommabile
30
3French (fr)
Carré sommable
29
4Greek (el)
Τετραγωνικά ολοκληρώσιμη συνάρτηση
8
5Dutch (nl)
Kwadratische integreerbaarheid
7
6Spanish (es)
Función de cuadrado integrable
6
7Japanese (ja)
自乗可積分函数
5
8Chinese (zh)
平方可積函數
5
9Catalan (ca)
Funció de quadrat integrable
4
10Arabic (ar)
دالة كمولة تربيعيا
2
More...

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

The highest AI in June 2025

Language versions of the article "Square-integrable function" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Square-integrable function
2
2Arabic (ar)
دالة كمولة تربيعيا
0
3Catalan (ca)
Funció de quadrat integrable
0
4Greek (el)
Τετραγωνικά ολοκληρώσιμη συνάρτηση
0
5Spanish (es)
Función de cuadrado integrable
0
6French (fr)
Carré sommable
0
7Italian (it)
Funzione a quadrato sommabile
0
8Japanese (ja)
自乗可積分函数
0
9Dutch (nl)
Kwadratische integreerbaarheid
0
10Chinese (zh)
平方可積函數
0
More...

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

The highest CI

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

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
دالة كمولة تربيعيا
caCatalan
Funció de quadrat integrable
elGreek
Τετραγωνικά ολοκληρώσιμη συνάρτηση
enEnglish
Square-integrable function
esSpanish
Función de cuadrado integrable
frFrench
Carré sommable
itItalian
Funzione a quadrato sommabile
jaJapanese
自乗可積分函数
nlDutch
Kwadratische integreerbaarheid
zhChinese
平方可積函數

Popularity rank trends

Best Rank English:
#165899
10.2014
Global:
#221983
10.2014

AI rank trends

Best Rank English:
#19591
11.2002
Global:
#23770
11.2002

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Square-integrable function from Wikipedia articles about Hilbert space, Lp space, Wave function, Wavelet transform and L2. Whereas reading the article about Square-integrable function people most often go to Wikipedia articles on Lp space, Lebesgue integration, Inner product space, Hilbert space and Measurable function.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

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About WikiRank

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