%9-1  3ͼζ󣬲ͼζͼضֵMATLAB 7 Ĭֵ
>>  [x,y] = meshgrid([-2:.4:2]);
>> Z = x.*exp(-x.^2-y.^2);
>> fh = figure('Position',[350 275 600 450],'Color','w');
>> ah = axes('Color',[.8 .8 .8],'XTick',[-2 -1 0 1 2],...
 'YTick',[-2 -1 0 1 2]);
>> sh = surface('XData',x,'YData',y,'ZData',Z,...
 'FaceColor',get(ah,'Color')+.1,...
             'EdgeColor','k','Marker','o',...
             'MarkerFaceColor',[.5 1 .85]);
>> 
>>  view(3)
>> 