?? exm07333_1.m
字號:
%exm07333_1.m
clf,shg
x=[-8:0.2:8];y=x;
[X,Y]=meshgrid(x,y);
ZZ=X.^2-Y.^2;
ii=find(abs(X)>6|abs(Y)>6);
ZZ(ii)=zeros(size(ii));
surf(X,Y,ZZ),
shading interp;
colormap(copper)
light('position',[0,-15,1]);lighting phong
material([0.8,0.8,0.5,10,0.5])
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