%% pie(x,explode),explode 是一个与x同纬的矩阵，非0 时 使对应的部分突出
x=[1 2.5 1.8 3.6 2.4];
subplot(221);pie(x,1:5,{'Dep1','Dep2','Dep3','Dep4','Dep5'});
subplot(222);pie(x);
subplot('Position',[0.2,0.05,0.6,0.45]);
explode=[1 0 0 1 0];
pie(x,explode)
colormap spring;
