可逆矩阵（非奇异矩阵）- invertible matrix (non-singular matrix)
矩阵的和-sum of matrices
矩阵的积-product of matrices
矩阵的转置-transpose of matrices
矩阵的行列式-determinant of matrices
分块矩阵-
可逆矩阵-invertible matrix
单位矩阵-unit matrix
零矩阵-zero matrix
逆矩阵-matrix inverse
伴随矩阵-companion matrix
初等矩阵-elementary matrix
对角线分块矩阵-diagnal .matrix