Condition number

Condition number - function K of the input x of a well-posed problem which describes how much its variation influences the variation of the output g(x). Article “Condition number” in English Wikipedia has 22.1 points for quality (as of July 1, 2026). The article contains 6 references and 8 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 “Condition number”, its content was written by 103 registered users of English Wikipedia and edited by 348 registered Wikipedia users in all languages.

The article is cited 137 times in English Wikipedia and cited 545 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #2104 in October 2001
• Global: #2356 in October 2001

The highest popularity rank from 2008:

• Local (English): #55030 in October 2014
• Global: #66081 in November 2014

There are 17 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) Condition number		22.0711
2	German (de) Kondition (Mathematik)		21.5752
3	Catalan (ca) Nombre de condició		18.1318
4	Portuguese (pt) Número de condicionamento		15.9442
5	Ukrainian (uk) Число обумовленості		14.1359
6	French (fr) Conditionnement (analyse numérique)		13.2712
7	Chinese (zh) 条件数		9.422
8	Russian (ru) Число обусловленности		9.2623
9	Japanese (ja) 条件数		7.3911
10	Swedish (sv) Konditionstal		7.1073

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

The most popular language versions of the article "Condition number" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Condition number		2 401 361
2	German (de) Kondition (Mathematik)		557 093
3	Russian (ru) Число обусловленности		228 932
4	French (fr) Conditionnement (analyse numérique)		202 973
5	Polish (pl) Wskaźnik uwarunkowania		125 229
6	Italian (it) Condizionamento (matematica)		124 189
7	Chinese (zh) 条件数		107 482
8	Japanese (ja) 条件数		91 063
9	Spanish (es) Número de condición		57 996
10	Portuguese (pt) Número de condicionamento		39 715

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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 "Condition number" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Condition number		5 352
2	Russian (ru) Число обусловленности		589
3	German (de) Kondition (Mathematik)		552
4	French (fr) Conditionnement (analyse numérique)		450
5	Chinese (zh) 条件数		265
6	Japanese (ja) 条件数		213
7	Italian (it) Condizionamento (matematica)		190
8	Polish (pl) Wskaźnik uwarunkowania		132
9	Spanish (es) Número de condición		77
10	Czech (cs) Podmíněnost matice		53

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

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

#	Language	AI award	Relative AI
1	English (en) Condition number		103
2	German (de) Kondition (Mathematik)		65
3	French (fr) Conditionnement (analyse numérique)		36
4	Italian (it) Condizionamento (matematica)		32
5	Russian (ru) Число обусловленности		24
6	Polish (pl) Wskaźnik uwarunkowania		14
7	Swedish (sv) Konditionstal		12
8	Spanish (es) Número de condición		9
9	Japanese (ja) 条件数		8
10	Portuguese (pt) Número de condicionamento		8

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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 "Condition number" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Catalan (ca) Nombre de condició		0
2	Czech (cs) Podmíněnost matice		0
3	German (de) Kondition (Mathematik)		0
4	English (en) Condition number		0
5	Spanish (es) Número de condición		0
6	Finnish (fi) Häiriöalttius (matematiikka)		0
7	French (fr) Conditionnement (analyse numérique)		0
8	Italian (it) Condizionamento (matematica)		0
9	Japanese (ja) 条件数		0
10	Korean (ko) 조건수		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 "Condition number" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Japanese (ja) 条件数		142
2	English (en) Condition number		137
3	German (de) Kondition (Mathematik)		52
4	French (fr) Conditionnement (analyse numérique)		47
5	Chinese (zh) 条件数		28
6	Russian (ru) Число обусловленности		24
7	Italian (it) Condizionamento (matematica)		22
8	Catalan (ca) Nombre de condició		17
9	Ukrainian (uk) Число обумовленості		15
10	Spanish (es) Número de condición		13

More...

#	Language	Value
ca	Catalan Nombre de condició
cs	Czech Podmíněnost matice
de	German Kondition (Mathematik)
en	English Condition number
es	Spanish Número de condición
fi	Finnish Häiriöalttius (matematiikka)
fr	French Conditionnement (analyse numérique)
it	Italian Condizionamento (matematica)
ja	Japanese 条件数
ko	Korean 조건수
nl	Dutch Conditie (wiskunde)
pl	Polish Wskaźnik uwarunkowania
pt	Portuguese Número de condicionamento
ru	Russian Число обусловленности
sv	Swedish Konditionstal
uk	Ukrainian Число обумовленості
zh	Chinese 条件数

Best Rank

English: #55030 10.2014

Global: #66081 11.2014

Best Rank

English: #2104 10.2001

Global: #2356 10.2001

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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