Equação de Duffing

Duffing equation - non-linear second order differential equation and its attractor. Article “Equação de Duffing” in Portuguese Wikipedia has 2.1 points for quality (as of July 1, 2025). The article also contains templates indicating quality issues, therefore its score was reduced by 0.11 points.

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

Since the creation of article “Equação de Duffing”, its content was written by 4 registered users of Portuguese Wikipedia and edited by 103 registered Wikipedia users in all languages.

The article is cited 39 times in Portuguese Wikipedia and cited 276 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Portuguese): #27156 in August 2021
• Global: #156066 in July 2009

The highest popularity rank from 2008:

• Local (Portuguese): #142453 in May 2012
• Global: #367363 in April 2019

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) Duffing equation		57.9357
2	French (fr) Oscillateur de Duffing		33.6827
3	Chinese (zh) 杜芬振子		31.085
4	Japanese (ja) ダフィング方程式		13.207
5	Russian (ru) Осциллятор Дуффинга		9.6767
6	Ukrainian (uk) Рівняння Дуффінга		4.4844
7	German (de) Duffing-Oszillator		4.3565
8	Korean (ko) 더핑 방정식		4.1053
9	Portuguese (pt) Equação de Duffing		2.0638

More...

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

The most popular language versions of the article "Equação de Duffing" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Duffing equation		504 316
2	Russian (ru) Осциллятор Дуффинга		60 104
3	German (de) Duffing-Oszillator		42 132
4	Japanese (ja) ダフィング方程式		32 172
5	Chinese (zh) 杜芬振子		23 138
6	French (fr) Oscillateur de Duffing		17 723
7	Portuguese (pt) Equação de Duffing		12 577
8	Ukrainian (uk) Рівняння Дуффінга		1 182
9	Korean (ko) 더핑 방정식		441

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 "Equação de Duffing" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Duffing equation		2 776
2	Japanese (ja) ダフィング方程式		265
3	Russian (ru) Осциллятор Дуффинга		230
4	French (fr) Oscillateur de Duffing		225
5	German (de) Duffing-Oszillator		158
6	Chinese (zh) 杜芬振子		118
7	Portuguese (pt) Equação de Duffing		40
8	Korean (ko) 더핑 방정식		17
9	Ukrainian (uk) Рівняння Дуффінга		10

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Duffing equation		38
2	German (de) Duffing-Oszillator		21
3	Russian (ru) Осциллятор Дуффинга		17
4	French (fr) Oscillateur de Duffing		7
5	Japanese (ja) ダフィング方程式		6
6	Ukrainian (uk) Рівняння Дуффінга		5
7	Portuguese (pt) Equação de Duffing		4
8	Chinese (zh) 杜芬振子		4
9	Korean (ko) 더핑 방정식		1

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 "Equação de Duffing" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	German (de) Duffing-Oszillator		0
2	English (en) Duffing equation		0
3	French (fr) Oscillateur de Duffing		0
4	Japanese (ja) ダフィング方程式		0
5	Korean (ko) 더핑 방정식		0
6	Portuguese (pt) Equação de Duffing		0
7	Russian (ru) Осциллятор Дуффинга		0
8	Ukrainian (uk) Рівняння Дуффінга		0
9	Chinese (zh) 杜芬振子		0

More...

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

Language versions of the article "Equação de Duffing" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Duffing equation		114
2	Ukrainian (uk) Рівняння Дуффінга		49
3	Chinese (zh) 杜芬振子		46
4	Portuguese (pt) Equação de Duffing		39
5	Korean (ko) 더핑 방정식		9
6	Russian (ru) Осциллятор Дуффинга		6
7	Japanese (ja) ダフィング方程式		5
8	German (de) Duffing-Oszillator		4
9	French (fr) Oscillateur de Duffing		4

More...

#	Language	Value
de	German Duffing-Oszillator
en	English Duffing equation
fr	French Oscillateur de Duffing
ja	Japanese ダフィング方程式
ko	Korean 더핑 방정식
pt	Portuguese Equação de Duffing
ru	Russian Осциллятор Дуффинга
uk	Ukrainian Рівняння Дуффінга
zh	Chinese 杜芬振子

Best Rank

Portuguese: #142453 05.2012

Global: #367363 04.2019

Best Rank

Portuguese: #27156 08.2021

Global: #156066 07.2009

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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