e0458.m

来自「Matlab7.x程序设计-王建卫-源代码及习题答案」· M 代码 · 共 4 行

x = 0:1; y1 = sin(x); y2=cos(x);xi = 0:.25:1; 
yi1 = interp1(x,y1,xi),yi2= interp1(x,y2,xi) %线性插值方法

yi1 = interp1(x,y1,xi,'nearest'),yi2= interp1(x,y2,xi,'nearest') %最邻近插值