Heaviside step function

Heaviside step function - discontinuous function whose value is zero for negative numbers and one for positive numbers. Article "Heaviside step function" in English Wikipedia has 30 points for quality (as of July 1, 2025). The article contains 2 references and 13 sections. The article also contains quality flaw template, which reduce quality score.

This article has the best quality in Portuguese Wikipedia. However, this article is the most popular in English version.

In June 2025 the article "Heaviside step function" was edited by 1 authors in English Wikipedia and written by 4 authors in all languages.

Since the creation of article "Heaviside step function", its content was written by 152 registered users of English Wikipedia and edited by 830 registered Wikipedia users in all languages.

The article is cited 175 times in English Wikipedia and cited 1287 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #2876 in March 2003
• Global: #3943 in March 2003

The highest popularity rank from 2008:

• Local (English): #32028 in April 2015
• Global: #34337 in November 2014

There are 34 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	Portuguese (pt) Função de Heaviside		34.6629
2	Hungarian (hu) Heaviside-függvény		32.1779
3	English (en) Heaviside step function		29.986
4	Greek (el) Μοναδιαία βηματική συνάρτηση		28.2657
5	Spanish (es) Función escalón de Heaviside		25.1351
6	Swedish (sv) Heavisides stegfunktion		24.826
7	Simple English (simple) Heaviside function		20.6364
8	Russian (ru) Функция Хевисайда		19.8506
9	Arabic (ar) دالة هيفيسايد الدرجية		18.0742
10	Ukrainian (uk) Функція Гевісайда		18.0026

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

The most popular language versions of the article "Heaviside step function" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Heaviside step function		3 872 578
2	German (de) Heaviside-Funktion		763 606
3	Spanish (es) Función escalón de Heaviside		668 951
4	Russian (ru) Функция Хевисайда		494 184
5	French (fr) Fonction de Heaviside		399 222
6	Japanese (ja) ヘヴィサイドの階段関数		304 058
7	Italian (it) Funzione gradino di Heaviside		296 227
8	Polish (pl) Funkcja skokowa Heaviside’a		200 928
9	Portuguese (pt) Função de Heaviside		160 378
10	Chinese (zh) 单位阶跃函数		148 415

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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 "Heaviside step function" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Heaviside step function		12 086
2	German (de) Heaviside-Funktion		1 763
3	Russian (ru) Функция Хевисайда		1 595
4	Spanish (es) Función escalón de Heaviside		1 301
5	Japanese (ja) ヘヴィサイドの階段関数		1 084
6	Italian (it) Funzione gradino di Heaviside		984
7	French (fr) Fonction de Heaviside		948
8	Chinese (zh) 单位阶跃函数		611
9	Polish (pl) Funkcja skokowa Heaviside’a		562
10	Portuguese (pt) Função de Heaviside		349

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

Language versions of the article "Heaviside step 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) Heaviside step function		152
2	German (de) Heaviside-Funktion		95
3	French (fr) Fonction de Heaviside		69
4	Italian (it) Funzione gradino di Heaviside		58
5	Dutch (nl) Heaviside-functie		43
6	Spanish (es) Función escalón de Heaviside		40
7	Russian (ru) Функция Хевисайда		38
8	Danish (da) Heaviside trinfunktion		35
9	Hungarian (hu) Heaviside-függvény		35
10	Japanese (ja) ヘヴィサイドの階段関数		30

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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 "Heaviside step function" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) دالة هيفيسايد الدرجية		1
2	English (en) Heaviside step function		1
3	Spanish (es) Función escalón de Heaviside		1
4	French (fr) Fonction de Heaviside		1
5	Bulgarian (bg) Функция на Хевисайд		0
6	Catalan (ca) Funció esglaó de Heaviside		0
7	Czech (cs) Heavisideova funkce		0
8	Danish (da) Heaviside trinfunktion		0
9	German (de) Heaviside-Funktion		0
10	Greek (el) Μοναδιαία βηματική συνάρτηση		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 "Heaviside step function" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Heaviside step function		175
2	Greek (el) Μοναδιαία βηματική συνάρτηση		127
3	Portuguese (pt) Função de Heaviside		99
4	German (de) Heaviside-Funktion		80
5	French (fr) Fonction de Heaviside		74
6	Spanish (es) Función escalón de Heaviside		68
7	Russian (ru) Функция Хевисайда		66
8	Japanese (ja) ヘヴィサイドの階段関数		61
9	Italian (it) Funzione gradino di Heaviside		48
10	Chinese (zh) 单位阶跃函数		48

More...

#	Language	Value
ar	Arabic دالة هيفيسايد الدرجية
bg	Bulgarian Функция на Хевисайд
ca	Catalan Funció esglaó de Heaviside
cs	Czech Heavisideova funkce
da	Danish Heaviside trinfunktion
de	German Heaviside-Funktion
el	Greek Μοναδιαία βηματική συνάρτηση
en	English Heaviside step function
es	Spanish Función escalón de Heaviside
eu	Basque Heaviside funtzio
fa	Persian تابع پله‌ای هویساید
fi	Finnish Heavisiden funktio
fr	French Fonction de Heaviside
he	Hebrew פונקציית מדרגה
hi	Hindi इकाई पग-फलन
hu	Hungarian Heaviside-függvény
id	Indonesian Fungsi tangga Heaviside
it	Italian Funzione gradino di Heaviside
ja	Japanese ヘヴィサイドの階段関数
ko	Korean 단위 계단 함수
nl	Dutch Heaviside-functie
no	Norwegian Heavisides steppfunksjon
pl	Polish Funkcja skokowa Heaviside’a
pt	Portuguese Função de Heaviside
ro	Romanian Treapta unitate Heaviside
ru	Russian Функция Хевисайда
simple	Simple English Heaviside function
sl	Slovenian Heavisidova skočna funkcija
sr	Serbian Хевисајдова функција
sv	Swedish Heavisides stegfunktion
uk	Ukrainian Функція Гевісайда
uz	Uzbek Heaviside funksiyasi
vi	Vietnamese Hàm bước Heaviside
zh	Chinese 单位阶跃函数

Best Rank

English: #32028 04.2015

Global: #34337 11.2014

Best Rank

English: #2876 03.2003

Global: #3943 03.2003

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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