简单迭代法(Jacobi跌代法)，输入方程的维数、迭代最高次数、误差范围、方程的系数矩阵、常数矩阵，然后进行简单迭代法(Jacobi)迭代求解。-A simple iteration method (Jacobi or on behalf of the Law), enter the equation of the dimension, the maximum number of iterations, error range, equation coefficient matrix, cons