中文说明：交替方向法源代码，可直接根据提示运行，交替方向法源代码，可直接根据提示运行，交替方向法源代码，可直接根据提示运行，交替方向法源代码，可直接根据提示运行，交替方向法源代码，可直接根据提示运行，交替方向法源代码，可直接根据提示运行，交替方向法源代码，可直接根据提示运行
English Description：
Alternate direction method source code, can run directly according to the prompt, alternate direction method source code, can run directly according to the prompt, alternate direction method source code, can run directly according to the prompt, alternate direction method source code, can run directly according to the prompt, alternate direction method source code, can run directly according to the prompt, alternate direction method source code, can run directly according to the prompt, alternate direction method source code Direction method source code, can be run directly according to the prompt