matlab 图象处理

				带分离切块的饼图
				
				X = [19.3 22.1 51.6;
				34.2 70.3 82.4;
				61.4 82.9 90.8;
				50.5 54.9 59.1;
				29.4 36.3 47.0];
				x = sum(X);
				explode = zeros(size(x));
				[c,offset] = max(x);
				explode(offset) = 1;
				h = pie(x,explode); colormap summer