🌐EnglishEnglishItalianoPortuguêsРусский中文日本語EntityQ339704· pop 6· linked from 26 articlesmass matrixmatrix relating a system's generalized coordinate vector and kinetic energyAvailable in 6 languages中文日本語РусскийPortuguêsUkrainianvia Wikidata sitelinks · CC0ConnectionsInternational Standard Book NumberEntitykinetic energyEntityCategoriesComputational science