THCADCS 是计算机辅助设计控制系统程序包。它由一个主包和五个子包组成,现有命令如下:1 在主包 BASE 中·ROOT:用劈因子法求代数多项式的根;·MATOP:完成矩阵加、减、乘,矩阵和数相乘运算,矩阵转置及置矩阵为 N×N 的单位阵或 N×M的零矩阵;·INVR:用列主元消去法求矩阵的逆;·NORM:求矩阵的无穷范数、1范数或2范数; THCADCS is a computer-aided design control system package. It consists of a main package and five subpackets, the existing command is as follows: 1 in the main package BASE ROOT: Find the root of the algebraic polynomial by the hack factor method MATOP: Complete the matrix addition, subtraction, multiplication, matrix and number phase Multiply operation, matrix transpose and set the unit matrix of N × N or N × M zero matrix; INVR: Use matrix principal component elimination method to find the inverse matrix; · NORM: Find the matrix of infinite norm, 1 range Number or 2 norm