Matlab 已有三维数据(excel数据),怎么画三维图像

x=[1,2,3,1,2,3,1,2,3]; Y=[1990,1991, 1992,1990,1991, 1992,1990,1991, 1992]; z=[0.2, 0.3, 0.5 1.2, 2.4,0.8, 0.8,0.6,2.0] plot3(x,Y,z,'o')