rand('state',5);
x = rand(1,10); 
y = rand(1,10);
subplot(131)
voronoi(x,y);                                 
%繪制voronoi圖形
subplot(132)
[vx, vy] = voronoi(x,y);
plot(x,y,'r+',vx,vy,'b-'); axis equal                
%應用返回值繪制
subplot(133)
rand('state',5);
x=rand(10,2); 
[v,c]=voronoin(x); 
%返回值v參數為voronoi頂點矩陣
%返回值c參數為voronoi元胞數組
for i = 1:length(c) 
if all(c{i}~=1)   
patch(v(c{i},1),v(c{i},2),i);                    
% 應用色圖 i.
%調用低級圖形對象函數patch塊操作
end
end
axis equal