背单词程序 数值微分包括用插值多项式求数值导数 用三次样条函数-Memorizing words program numerical differentiation include numerical derivative with interpolation polynomial Using cubic spline function

图像放缩,调用Windows Api函数,采用二次线性插值算法实现,,(Image zooming, calls the Windows Api function, USES the quadratic linear interpolation algorithm,,)