minor在经济学里面的数学含义是什么?例如,matrix对应的经济学数学里面的含义是矩阵,那么minor是什么呢?MinorsThe minor[Mij]of matrix A is the determinant of the matrix when row i and column i have been deleted.For example,if the first row and first column are deleted from matrixa11 a12 a13A=a21 a22 a23a31 a32 a33the determinant of the remaining matrix will be the minora22 a23[M11]=a32 a33 英语
网友回答
【答案】 较小的矩阵,也就是在原矩阵里划去几行几列所剩下的那个矩阵