[x,y] = meshgrid(0:0.1:15,0:0.1:15);
z = arrayfun(@(x,y)(0.2162-0.0197.*x-0.0247.*y)/0.2162,x,y);
z(z<0)=nan;
surf(x,y,z,ones(size(z)))
colormap([1 0 0])
shading flat
hold on
x0 = 0; y0 = 0;z0 = 0;
x1 = 10.9; y1 = 0; z1 = 0.0068;
x2 = 0; y2 = 0;z2 = 1;
x3 = 0; y3 = 8.7; z3 = 0.0061;
X = [x0 x1 x2 x3]; Y = [y0 y1 y2 y3]; Z = [z0 z1 z2 z3];
fill3(X,Y,Z,'red')

2楼: Originally posted by 512095518 at 2016-12-08 15:31:36
= meshgrid(0:0.1:15,0:0.1:15);
z = arrayfun(@(x,y)(0.2162-0.0197.*x-0.0247.*y)/0.2162,x,y);
z(z<0)=nan;
surf(x,y,z,ones(size(z)))
colormap()
shading flat
hold on
x0 = 0; y0 = 0;z0 = 0;
...

3楼: Originally posted by feitian1234 at 2016-12-09 14:39:45
非常感谢您的答案！先把金币送给您。运行时出现一点小问题，如下，请指教，会追加您20金币。谢谢！
??? Undefined command/function 'arrayfun'.

Error in ==> Untitled6 at 2
z = arrayfun(@(x,y)(0.2162 ...

4楼: Originally posted by 512095518 at 2016-12-09 16:38:52
你的这句报错意思是没有定义“arrayfun”这个函数命令，但是这个函数是matlab内置的函数，应该是不应该报错不存在才对。
排查方法：
1、确认你的MATLAB软件内有没有这个函数，用help arrayfun来查就行，这句直接 ...