Both the rational functions and the least square algorithm of fitting of data are used to construct a new method of fitting of curve and surface.

把有理函数引入离散数据拟合方法中，将有理函数与数据拟合的常用方法——最小二乘法相结合，给出了一种新型的数据拟合工具。

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Both the wavelet functions and the least square algorithm of fitting of data are used to construct a new method of fitting of curve and surface.

本文把小波函数引入离散数据拟合领域，将小波函数与数据拟合的常用方法——最小二乘法相结合，给出了一种新型的数据拟合工具。

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The data for the measurement can use direct least square fitting to solve the curvature of the workpiece.

对于测量的数据采用直接最小二乘拟合，从而可以解算出工件的曲率。

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