🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguêsРусский한국어中文日本語EntityQ859808· pop 10· linked from 26 articlesbiharmonic functionAlso known as biharmonic equationfunction f satisfying Δ²f=0Available in 10 languagesEspañolFrançaisDeutsch中文日本語РусскийItalianoCatalanUkrainianvia Wikidata sitelinks · CC0Connectionsharmonic functionEntitymathematicsEntityCategoriesElliptic partial differential equations