中文说明：介绍了Matlab在数据拟合中的应用,阐述了曲线拟合的基本原理及多项式曲线拟合模型的matlab实现方法,并给出了曲线拟合的例子,实验结果表明用matlab进行拟合是可行和有效的。
English Description：
Introduces the application of Matlab in the data fitting, expounded on the basic principles of curve fitting and polynomial curve-fitting model for MATLAB implementation method and curve fitting are given examples of experiments show that fitting with MATLAB is viable and effective.