[交流] 如何用差值的方式将我的数据进行精细的划分？求大神 已有2人参与

3楼: Originally posted by dbb627 at 2013-11-28 17:34:09
x=;
y=;
z=;
Z=z';
=meshgrid(x,y);
=griddata(X(,Y(,Z(,linspace(min(X(),max(X())',linspace(min(Y(),max(Y()),'v4');%插值
figure,surf(XX,YY,ZZ)%
...

x=[-18.5 -11.5 -4.5 0 4.5 11.5 18.5];
y=[9.6 6 4.8 3.6 1.2];
z=[31.08 30.81 28.96 28.39 13.72;
32.78 30.96 30.22 29.24 24.12;
27.81 25.6 25.09 25.42 23.59;
18.81 19.44 18.66 18.09 14.72;
27.81 25.6 25.09 25.42 23.59;
32.78 30.96 30.22 29.24 24.12;
31.08 30.81 28.96 28.39 13.72;];
Z=z';
[X,Y]=meshgrid(x,y);
[XX,YY,ZZ]=griddata(X(:),Y(:),Z(:),linspace(min(X(:)),max(X(:)))',linspace(min(Y(:)),max(Y(:))),'v4');%插值
figure,surf(XX,YY,ZZ)%