中文说明：对离散数据运用最小二乘法进行椭圆拟合，运行过了觉得还不错就上传了。
English Description：
The least square method is used to fit the ellipse of the discrete data, and it is uploaded after running.
The least square method is used for ellipse fitting of discrete data
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中文说明：对离散数据运用最小二乘法进行椭圆拟合，运行过了觉得还不错就上传了。
English Description：
The least square method is used to fit the ellipse of the discrete data, and it is uploaded after running.