matlab 设定坐标比例

figure(1)
u=-0.1:0.005:0.1;
v=-0.1:0.005:0.1;
[x,y]=meshgrid(u,v);

z=sin(x-y)./abs(x)+abs(y);
surf(x,y,z);
hold on
% contourf(x,y,z)
% ezplot('x+y=3')
% set(gca,'DataAspectRatio',[1 1 60])
%axis equal

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