用matlab在(x,y)=[-8,8]×[-8,8]区域中绘制曲面图形并比较线性、立方及...答:mesh(X1,Y1,Z1)title('立方插值精细图')figure(4)Z1=interp2(X,Y,Z,X1,Y1,'spline');mesh(X1,Y1,Z1)title('样条插值精细图')
Matlab实践作业:通过插值方式处理数据,达到某种应用目的 1.一维插值...答:立方插值: method= ‘pchip’ or ‘cubic’例 :二维插值4种方法的对比。clc; clear all;[x,y,z]=peaks(7);figure(3)mesh(x,y,z);title('Origin', 'FontWeight', 'Bold');[xi,yi]=meshgrid(-3:0.2:3,-3:0.2:3);z1=interp2(x,y,z,xi,yi,'nearest');z2=interp2(x,...
如何利用matlab插值!答:n维插值用interpn 看看帮助吧:interpn N-D data interpolation (table lookup)Syntax VI = interpn(X1,X2,X3,...,V,Y1,Y2,Y3,...)VI = interpn(V,Y1,Y2,Y3,...)VI = interpn(V,ntimes)VI = interpn(...,method)VI = interpn(...,method,extrapval)Description VI = interp...