共きょう分ぶん散さん行ぎょう列れつきょうぶんさんぎょうれつじ字FuriganaMeanings1nouncovariance matrixmathematics›Technical term in mathematics and statistics; refers to a square matrix giving the covariance between each pair of elements of a random vector.多た変へん量りょう解かい析せきでは、共きょう分ぶん散さん