pt3d.m

A Programme About Paralell Compulation>Maybe can help you Thanks

% 简单的三维图形功能，很有效！
% 绘图-----图3.3
  x=-18.0:0.5:18.0;    y=x';
    u=ones(size(y))*x;
    v=y*ones(size(x));
    r=sqrt(u.^2+v.^2)+eps;
    z=sin(r)./r;
    mesh(z);
    xlabel('x');    ylabel('y');
    zlabel('z');