第4章 Matlabl的图形功能 绘制三维直方图。 subplot(2, 2, 4 X=22; bar3h(X,Y, stacked) zlabel(x) Y=[3,5,24,1:54,2,353,4,5,2,1」 ylabel('\Sigma y) subplot(2, 2, 1) colormap(summer) bar(XY,r,) zlabeldy ylabel(x') colormap(cool) subplot(2, 2, 2) bar3h(x,r, grouped) ylabel(X') zlabelcy colormap(coo subplot(2, 2, 3) bar3(XY, stacked) ylabel(,) zlabel(\Sigma y) colormap(summer)第4章 Matlab的图形功能 绘制三维直方图。 X=-2:2; Y=[3,5,2,4,1;5,4,2,3,5;3,4,5,2,1]; subplot(2,2,1) bar3(X,Y','r') zlabel('y') ylabel('x') colormap(cool) subplot(2,2,2) bar3h(X,Y','grouped') ylabel('x') zlabel('y') colormap(cool) subplot(2,2,3) bar3(X,Y','stacked') ylabel('x') zlabel('\Sigma y') colormap(summer) subplot(2,2,4) bar3h(X,Y’,’stacked’) zlabel(’x’) ylabel(’\Sigma y’) colormap(summer)