正せい則そく行ぎょう列れつせいそくぎょうれつじ字FuriganaMeanings1nounregular matrix; invertible matrix; non-singular matrixmathematics›In linear algebra, a square matrix that has an inverse; its determinant is non-zero. Used in mathematical contexts.正せい則そく行ぎょう列れつは逆ぎゃく行ぎょう列れつを持もつ