雅克比（Jacobi）迭代法. 设有n阶方程组. （4.1）. 若系数矩阵非奇异，且 (i = 1, 2,…, n)，将方程组（4.1）改写成. 然后写成迭代格式 -Jacobi (Jacobi) iterative method. With n-order equations. (4.1) and if non-singular coefficient matrix, and (i = 1, 2, ..., n), the equations (4.1) rewritten and then