二维插值、牛顿插值的matlab程序代码4页.doc

二维插值的matlab程序代码x=129.0140.0103.588.0185.5195.0105.5157.5107.577.081.0162.0162.0117.5;y=7.5141.523.0147.022.5137.585.560.5121.03.056.5116.584.043.5;plot(x,y,o)Z=48686889988949;h=-Z;xi=70:3:200;yi=0:3:150;X,Y=meshgrid(xi,yi);H=griddata(x,y,h,X,Y,cubic);mesh(X,Y,H);view(-60,30);图形如下:matlab中采用二维插值进行三维绘图之后，如何把图中的各个数据点导出？X,Y = meshgrid(-3:.25:3);Z = peaks(X,Y);XI,YI = meshgrid