Matlab双纵轴

 x=[0.5,0.3,0.2,0.1]; y=[540,430,420,340]; z=[1340,1270,1210,1150]; [ax,h1]=plotyy(x,y,x,z,@bar,@bar); set( get(ax(2),'Children'),'facecolor','g') set( get(ax(2),'Children'),'barwidth',0.2) set( get(a

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