huitufjy.m

来自「包括MATLAB7.0实用指南（1）书中所有的例子的源代码。」· M 代码 · 共 13 行

x=rand(100,1)*16-8;
y=rand(100,1)*16-8;
r=sqrt(x.^2+y.^2)+eps;
z=sin(r)./r;
xlin=linspace(min(x),max(x),33);
ylin=linspace(min(y),max(y),33);
[X,Y]=meshgrid(xlin,ylin);
Z=griddata(x,y,z,X,Y,'cubic')
mesh(X,Y,Z)
axis tight;
hold on
plot3(x,y,z,'o','MarkerSize',10)