根据矩阵数值绘制曲面
 

A=[
209.2,26.5,0.1;
212.2,26.4,0.2;
210.0,26.5,0.3;
207.3,26.2,0.4;
207.9,26.3,0.5;
216.9,26.4,0.6;
212.9,26.5,0.7;
];
x=A(:,1);
y=A(:,2);
z=A(:,3);

想根据这样的数值画出来,x,y,z的曲面图。