多项式拟合的MATLAB工具。只要具有以下几个函数

POLYFITN - A general n-dimensional polynomial fitting tool

POLYVALN - An evaluation tool for polynomials produced by polyfitn

POLYN2SYMPOLY - A conversion tool to generate a sympoly from the results of polyfitn

POLYN2SYM - A conversion tool to generate a symbolic toolbox object from the results of polyfitn

-Polynomial fitting of the MATLAB tools. As long as have the following functions POLYFITN- A general n-dimensional polynomial fitting toolPOLYVALN- An evaluation tool for polynomials produced by polyfitnPOLYN2SYMPOLY- A conversion tool to generate a sympoly from the results of polyfitnPOLYN2SYM- A conversion tool to generate a symbolic toolbox object from the results of polyfitn