Equazione rigida

it

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Equazione rigida

Quality:

Stiff equation - differential equation for which some numerical methods are unsustainable unless the step size is extremely small even though the solution is smooth, due to terms that can lead to rapid variation in the solution. Article “Equazione rigida” in Italian Wikipedia has 4.6 points for quality (as of July 1, 2025). The article contains 0 references and 4 sections.

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

In June 2025 the article “Equazione rigida” was edited by 2 authors in Italian Wikipedia and written by 2 authors in all languages.

Since the creation of article “Equazione rigida”, its content was written by 13 registered users of Italian Wikipedia and edited by 150 registered Wikipedia users in all languages.

The article is cited 7 times in Italian Wikipedia and cited 102 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Italian): #8624 in January 2015
  • Global: #70495 in November 2012

The highest popularity rank from 2008:

  • Local (Italian): #173035 in January 2015
  • Global: #164830 in November 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Stiff equation
46.5607
2Chinese (zh)
刚性方程
22.7358
3Japanese (ja)
硬い方程式
18.0894
4Ukrainian (uk)
Жорстке диференціальне рівняння
12.9679
5Polish (pl)
Równanie sztywne
11.6993
6French (fr)
Équation différentielle raide
9.4002
7German (de)
Steifes Anfangswertproblem
8.8224
8Russian (ru)
Жёсткая система
7.2388
9Italian (it)
Equazione rigida
4.6126
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 "Equazione rigida" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Stiff equation
1 048 495
2German (de)
Steifes Anfangswertproblem
79 568
3Russian (ru)
Жёсткая система
73 625
4Chinese (zh)
刚性方程
43 247
5Italian (it)
Equazione rigida
25 086
6Japanese (ja)
硬い方程式
21 916
7French (fr)
Équation différentielle raide
17 220
8Polish (pl)
Równanie sztywne
11 504
9Ukrainian (uk)
Жорстке диференціальне рівняння
3 897
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 "Equazione rigida" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Stiff equation
3 218
2Russian (ru)
Жёсткая система
317
3German (de)
Steifes Anfangswertproblem
203
4Japanese (ja)
硬い方程式
195
5French (fr)
Équation différentielle raide
157
6Chinese (zh)
刚性方程
146
7Italian (it)
Equazione rigida
104
8Ukrainian (uk)
Жорстке диференціальне рівняння
25
9Polish (pl)
Równanie sztywne
20
More...

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

The highest AI

Language versions of the article "Equazione rigida" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Stiff equation
68
2Russian (ru)
Жёсткая система
14
3Italian (it)
Equazione rigida
13
4Chinese (zh)
刚性方程
13
5Polish (pl)
Równanie sztywne
12
6German (de)
Steifes Anfangswertproblem
9
7French (fr)
Équation différentielle raide
9
8Japanese (ja)
硬い方程式
6
9Ukrainian (uk)
Жорстке диференціальне рівняння
6
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 "Equazione rigida" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Italian (it)
Equazione rigida
2
2German (de)
Steifes Anfangswertproblem
0
3English (en)
Stiff equation
0
4French (fr)
Équation différentielle raide
0
5Japanese (ja)
硬い方程式
0
6Polish (pl)
Równanie sztywne
0
7Russian (ru)
Жёсткая система
0
8Ukrainian (uk)
Жорстке диференціальне рівняння
0
9Chinese (zh)
刚性方程
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 "Equazione rigida" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Stiff equation
45
2German (de)
Steifes Anfangswertproblem
14
3Japanese (ja)
硬い方程式
9
4Chinese (zh)
刚性方程
9
5Italian (it)
Equazione rigida
7
6Russian (ru)
Жёсткая система
7
7Ukrainian (uk)
Жорстке диференціальне рівняння
5
8French (fr)
Équation différentielle raide
3
9Polish (pl)
Równanie sztywne
3
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
deGerman
Steifes Anfangswertproblem
enEnglish
Stiff equation
frFrench
Équation différentielle raide
itItalian
Equazione rigida
jaJapanese
硬い方程式
plPolish
Równanie sztywne
ruRussian
Жёсткая система
ukUkrainian
Жорстке диференціальне рівняння
zhChinese
刚性方程

Popularity rank trends

Best Rank Italian:
#173035
01.2015
Global:
#164830
11.2014

AI rank trends

Best Rank Italian:
#8624
01.2015
Global:
#70495
11.2012

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Stiff equation from Wikipedia articles about Runge–Kutta method, L-stability, Backward Euler method, Backward differentiation formula and Numerical method for ordinary differential equations. Whereas reading the article about Stiff equation people most often go to Wikipedia articles on Linear multistep method, Backward differentiation formula, Runge–Kutta method, Numerical stability and Trapezoidal rule.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 15 February 2026

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In Italian Wikipedia the most popular articles on that day were: Federica Brignone, Lisa Vittozzi, Sofia Goggia, Donyell Malen, Cime tempestose, Jeffrey Epstein, Cime tempestose (film 2026), Lara Della Mea, Medagliere dei XXV Giochi olimpici invernali, Alberto Tomba.

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