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polyfit data use linear and Quadratic

Project description

polyfit 一次/二次拟合工具

说明

本程序主要功能为读取待拟合的数据文件,文件格式可以为.txt 或者.csv格式,以空格分隔,无头部。 通过命令行 polyfit [filename] 执行,如果未指定文件名,则默认寻找当前目录下的 data.txt

数据样本为N行两列的数据,第一列为x, 第二列为Y, 实例数据如下:

   0.134	2.79
   0.160	3.39
   0.195	4.09
   0.244	5.19
   0.313	6.59

命令行执行

调用 polyfit [data.txt]

执行结果如下:

拟合图形

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