🌐EnglishEnglishDeutschEspañolFrançaisРусскийفارسی한국어中文日本語EntityQ2918589· pop 9· linked from 52 articlesexpectation valueexpected value of a quantum measurementAvailable in 9 languagesEspañolFrançaisDeutsch中文РусскийHebrewUkrainianفارسیConnectionsquantum mechanicsEntitycomplex numberEntityCategoriesQuantum mechanics