关于样条插值均匀与非均匀的示例，帮助挺大-Spline interpolation on uniform and non-uniformity of the sample to help big

CSINTERP 1-D piecewise cubic spline interpolation of tabulated data and calculation of first and second derivatives. - CSINTERP 1-D piecewise cubic spline interpolation of tabulated data and calculation of first and second derivatives.