在matlab中读取.dat文件后，利用函数polyfit和polyval进行拟合作图-In matlab to read. Dat file, use the function polyfit and polyval cooperation plan for the proposed

Defining the plot Function for the DocPolynom Class The MATLAB plot function creates line graphs. The overloaded plot function selects the domain of the independent variable to be slightly larger than an interval containing all real roots. Then th

多项式和非多项式曲线拟合，多项式拟合在matlab中可以使用polyfit函数求解多项式系数，通过polyval函数求解拟合多项式在某数据点处的值-Polynomial and non-polynomial curve fitting, polynomial fitting in matlab polyfit function can be used to solve polynomial coefficients, solve the value of a data point to fit