The optimal approximation functions, of a continuous function which are constituted of the linear combination of series of Chebychev polynome have the characteristics of uniform approximation.

应用第一多项式系列的线性组合构成的某连续函数的最佳逼近函数，具有一致逼近的性质。

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With the nonlinear regression method, results can be improved to get more optimal regression functions.

结合非线性回归方法，可以对回归结果进一步优化，得到更优的回归方程。

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If we neglect some secondary factors, the searching time and space will only be the linear functions of the optimal path.

如果忽略一些次要的因素，搜索的时间和空间仅是最佳路径的线性函数。

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