一个通用的对矩阵进行操作的类，主要包括：实（复）矩阵的加减、求逆、求秩、行列式求值以及矩阵的乔里斯基分解、三角分解等。-A general class of matrix operations, including: real (complex) matrix addition and subtraction, inverse, seeking the rank, determinant evaluation and matrix Qiaolisiji decomposition, triangular decomposition.