Positive-definite function

Positive-definite function - bimodal function. Article “Positive-definite function” in English Wikipedia has 22.3 points for quality (as of July 1, 2025). The article contains 5 references and 9 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

Since the creation of article “Positive-definite function”, its content was written by 39 registered users of English Wikipedia and edited by 90 registered Wikipedia users in all languages.

The article is cited 45 times in English Wikipedia and cited 100 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #69795 in June 2020
• Global: #139778 in November 2008

The highest popularity rank from 2008:

• Local (English): #262196 in October 2014
• Global: #379607 in October 2014

There are 9 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	English (en) Positive-definite function		22.3491
2	Chinese (zh) 正定函數		19.4991
3	Spanish (es) Función definida positiva		17.8196
4	Italian (it) Funzione definita positiva		7.3891
5	German (de) Positiv semidefinite Funktion		5.7323
6	Korean (ko) 양의 정부호 함수		5.4565
7	Esperanto (eo) Pozitive difinita funkcio		5.2176
8	Polish (pl) Funkcja dodatnio określona		1.5316
9	French (fr) Fonction positive		0.2041

More...

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

The most popular language versions of the article "Positive-definite function" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Positive-definite function		542 371
2	Italian (it) Funzione definita positiva		34 588
3	Chinese (zh) 正定函數		30 514
4	German (de) Positiv semidefinite Funktion		22 362
5	Polish (pl) Funkcja dodatnio określona		17 822
6	French (fr) Fonction positive		10 174
7	Korean (ko) 양의 정부호 함수		4 568
8	Spanish (es) Función definida positiva		3 918
9	Esperanto (eo) Pozitive difinita funkcio		3 579

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 "Positive-definite function" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Positive-definite function		2 183
2	German (de) Positiv semidefinite Funktion		192
3	Chinese (zh) 正定函數		117
4	Spanish (es) Función definida positiva		53
5	Italian (it) Funzione definita positiva		35
6	Korean (ko) 양의 정부호 함수		32
7	French (fr) Fonction positive		31
8	Polish (pl) Funkcja dodatnio określona		24
9	Esperanto (eo) Pozitive difinita funkcio		7

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

Language versions of the article "Positive-definite 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) Positive-definite function		39
2	Italian (it) Funzione definita positiva		21
3	Polish (pl) Funkcja dodatnio określona		11
4	German (de) Positiv semidefinite Funktion		4
5	Esperanto (eo) Pozitive difinita funkcio		4
6	French (fr) Fonction positive		4
7	Chinese (zh) 正定函數		3
8	Spanish (es) Función definida positiva		2
9	Korean (ko) 양의 정부호 함수		2

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 "Positive-definite function" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	German (de) Positiv semidefinite Funktion		0
2	English (en) Positive-definite function		0
3	Esperanto (eo) Pozitive difinita funkcio		0
4	Spanish (es) Función definida positiva		0
5	French (fr) Fonction positive		0
6	Italian (it) Funzione definita positiva		0
7	Korean (ko) 양의 정부호 함수		0
8	Polish (pl) Funkcja dodatnio określona		0
9	Chinese (zh) 正定函數		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 "Positive-definite function" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Positive-definite function		45
2	Esperanto (eo) Pozitive difinita funkcio		17
3	Chinese (zh) 正定函數		9
4	Spanish (es) Función definida positiva		7
5	French (fr) Fonction positive		6
6	Polish (pl) Funkcja dodatnio określona		5
7	Italian (it) Funzione definita positiva		4
8	Korean (ko) 양의 정부호 함수		4
9	German (de) Positiv semidefinite Funktion		3

More...

#	Language	Value
de	German Positiv semidefinite Funktion
en	English Positive-definite function
eo	Esperanto Pozitive difinita funkcio
es	Spanish Función definida positiva
fr	French Fonction positive
it	Italian Funzione definita positiva
ko	Korean 양의 정부호 함수
pl	Polish Funkcja dodatnio określona
zh	Chinese 正定函數

Best Rank

English: #262196 10.2014

Global: #379607 10.2014

Best Rank

English: #69795 06.2020

Global: #139778 11.2008

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In English Wikipedia the most popular articles on that day were: Eric Dane, Alysa Liu, Rebecca Gayheart, Jeffrey Epstein, 2026 Winter Olympics, Eileen Gu, John F. Kennedy Jr., Carolyn Bessette Kennedy, Deaths in 2026, Johannes Høsflot Klæbo.

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