Great Matrix Equations

[摘要] This paper is devoted to some identities of matrix and determinants. In this article, matrices inequalities are widely used. Matrices are non-optimistic. The matrix's determinants have been proven. In addition to the left module and the right module descriptions in this article. In general, this article is devoted to matrix approximation.

[关键词] Matrix;Equation;Inequality;Number;Algebraic operations;Matrix multiplication;Triangular matrices