x范围为0-12,13个点。
y的范围为0-6,7个点。
z为每个xy交点上的数据,即x=0时,y=[0.1,0.2,0.3,0.5,0.3,0.1,0.2]
x=1时,y=[0.1,0.2,0.3,0.5,0.3,0.1,0.2]
....
x=12时,y=[0.7,0.8,0.9,0.1,0.3,0.1,0.2]
z的数据是我随意给的,实际数据是实验求得的。
请教如何绘制三维网线图和曲面图
这样写对吗?z为7X13
a=linspace(0, 12, 13);
b=linspace(0,6,7);
[x,y]=meshgrid(a, b); %2维1次插值
z=[];
t=interp2(x, y, Z, 1, 1);
mesh(x, y, t);%
grid on