This is my homework for 'Matrix Analysis and Application' 2019-20 Fall, UCAS
There's almost no requirement for environment because neither advanced functions nor external packages have I used.
As a reference, My interpreter is Python 3.6.2
usage: main.py [-h] [-i INPUT] [-p PLU] [-o OUTPUT]
程序参数
optional arguments:
-h, --help show this help message and exit
-i INPUT, --input INPUT
输入需要处理的矩阵，可从命令行或文件输入.默认值为例题
-p PLU, --plu PLU 生成PLU分解。若主元位置需要行交换/希望使用部分主元法，请设置为True.默认值为False
-o OUTPUT, --output OUTPUT
将分解结果输出到文件.默认值为空
for example:
python main.py -i=input -p=True -o=output
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