🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ860615· pop 27· linked from 117 articlesHelmholtz equationAlso known as Gibbs–Helmholtz equationelliptic partial differential equation (∇²+𝑘²)𝑓=0Wikidata factsImageHelmholtz solution.pngSources (3)wikidata.orgdocs.openalex.orgit.wikipedia.orgvia Wikidata · CC0Available in 27 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةAlbanianConnectionsBessel functionEntityelectromagnetic radiationEntityCategoriesElliptic partial differential equationsHermann von HelmholtzWaves