变量变换

Change of variables - technique in algebra in which the original variables are replaced with functions of other variables. Article “变量变换” in Chinese Wikipedia has 10.2 points for quality (as of July 1, 2026).

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

Since the creation of article “变量变换”, its content was written by 1 registered users of Chinese Wikipedia and edited by 264 registered Wikipedia users in all languages.

The article is cited 1 times in Chinese Wikipedia and cited 573 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Chinese): #339979 in November 2025
• Global: #46111 in February 2023

The highest popularity rank from 2008:

• Local (Chinese): #503273 in January 2026
• Global: #52050 in February 2009

There are 19 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, 2026 (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) Change of variables		23.0801
2	Bulgarian (bg) Смяна на променливата		17.1775
3	German (de) Substitution (Mathematik)		12.8941
4	Turkish (tr) Değişken değiştirme		12.8593
5	Catalan (ca) Canvi de variable		11.0107
6	Korean (ko) 변수 변환		10.4416
7	Chinese (zh) 变量变换		10.1999
8	Galician (gl) Cambio de variábel		9.8625
9	Czech (cs) Substituce (matematika)		9.3052
10	Spanish (es) Cambio de variable		7.4355

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

The most popular language versions of the article "变量变换" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Change of variables		1 029 061
2	German (de) Substitution (Mathematik)		621 334
3	Spanish (es) Cambio de variable		328 643
4	Russian (ru) Подстановка		78 051
5	Czech (cs) Substituce (matematika)		56 989
6	Dutch (nl) Substitutie (wiskunde)		54 238
7	French (fr) Changement de variable (simplification algébrique)		36 640
8	Hebrew (he) החלפת משתנה		28 010
9	Persian (fa) تغییر متغیر		26 379
10	Swedish (sv) Variabelbyte		21 115

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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 "变量变换" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Change of variables		1 968
2	German (de) Substitution (Mathematik)		198
3	French (fr) Changement de variable (simplification algébrique)		68
4	Hebrew (he) החלפת משתנה		55
5	Russian (ru) Подстановка		52
6	Spanish (es) Cambio de variable		40
7	Persian (fa) تغییر متغیر		35
8	Dutch (nl) Substitutie (wiskunde)		31
9	Swedish (sv) Variabelbyte		30
10	Czech (cs) Substituce (matematika)		28

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

Language versions of the article "变量变换" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Change of variables		74
2	German (de) Substitution (Mathematik)		47
3	Dutch (nl) Substitutie (wiskunde)		27
4	Russian (ru) Подстановка		25
5	Spanish (es) Cambio de variable		16
6	French (fr) Changement de variable (simplification algébrique)		13
7	Hebrew (he) החלפת משתנה		9
8	Swedish (sv) Variabelbyte		9
9	Ukrainian (uk) Підстановка		9
10	Persian (fa) تغییر متغیر		7

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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 "变量变换" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) تغيير المتغير (رياضيات)		1
2	Bulgarian (bg) Смяна на променливата		0
3	Catalan (ca) Canvi de variable		0
4	Czech (cs) Substituce (matematika)		0
5	German (de) Substitution (Mathematik)		0
6	English (en) Change of variables		0
7	Spanish (es) Cambio de variable		0
8	Persian (fa) تغییر متغیر		0
9	French (fr) Changement de variable (simplification algébrique)		0
10	Galician (gl) Cambio de variábel		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 "变量变换" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Korean (ko) 변수 변환		102
2	Ukrainian (uk) Підстановка		99
3	Russian (ru) Подстановка		98
4	English (en) Change of variables		51
5	German (de) Substitution (Mathematik)		47
6	Dutch (nl) Substitutie (wiskunde)		33
7	Persian (fa) تغییر متغیر		25
8	Spanish (es) Cambio de variable		23
9	Czech (cs) Substituce (matematika)		19
10	French (fr) Changement de variable (simplification algébrique)		18

More...

#	Language	Value
ar	Arabic تغيير المتغير (رياضيات)
bg	Bulgarian Смяна на променливата
ca	Catalan Canvi de variable
cs	Czech Substituce (matematika)
de	German Substitution (Mathematik)
en	English Change of variables
es	Spanish Cambio de variable
fa	Persian تغییر متغیر
fr	French Changement de variable (simplification algébrique)
gl	Galician Cambio de variábel
he	Hebrew החלפת משתנה
hi	Hindi चर परिवर्तन
ko	Korean 변수 변환
nl	Dutch Substitutie (wiskunde)
ru	Russian Подстановка
sv	Swedish Variabelbyte
tr	Turkish Değişken değiştirme
uk	Ukrainian Підстановка
zh	Chinese 变量变换

Best Rank

Chinese: #503273 01.2026

Global: #52050 02.2009

Best Rank

Chinese: #339979 11.2025

Global: #46111 02.2023

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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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information