Home›Browse›functional derivative🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsРусский한국어中文日本語EntityQ2621220· pop 11· linked from 173 articlesfunctional derivativeSign in to saveAlso known as variational derivativeconcept in calculus of variationAvailable in 11 languagesEspañolFrançaisDeutsch中文日本語РусскийItalianoCatalanUkrainian한국어via Wikidata sitelinks · CC0