第3章：插值法与最小二乘法-三次样条插值.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,6 三次样条插值,yi=interp1(x,Y,xi,method),returns vector yi containing elements corresponding to the elements of xi and determined by interpolation within vectors x and Y.The vector x specifies the points at which the data Y is given.,-,nearest,-Nearest,neighbor,interpolation,-,linear,-,Linear interpolation,-,spline,-,Cubic spline interpolation,-,pchip,-,Piecewise cubic Hermite interpolation,P119 21,P119 21,