How to unify legend in plot command?
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I have the following code making a line plots for 2 different groups. In the legend it dosent show legend per group (only the first group is correct). I wonder if there is some command can be added to each plot group to fix the problem? BTW i am using matlab2018b.
ax = gca;
ax.TickLength = [0.02 0.06];
set(gca,'XAxisLocation','top','YAxisLocation','left','ydir','reverse','XScale','log');
ax.XRuler.TickLabelGapOffset =-10;
ax.YLim = [0 20];
ax.XLim = [0 1];
ax.YDir= 'reverse';
x = [1 3 5 7];
y = [2 4 6 8];
z = [0.1 0.21 0.78 0.48];
plot([z;z], [x; y], 'LineWidth',3,'color',[0.9 0.4 0.5])
hold(gca,'on')
x = [2 8 9 14];
y = [3 9 14 20];
z = [0.9 0.1 0.71 0.38];
plot([z;z], [x; y], 'LineWidth',3,'color',[0.9 0.8 0.10])
hold(gca,'on')
legend("Group1_Red","Group2_Yellow")
hold(gca,'off')
采纳的回答
VBBV
2022-2-23
ax = gca;
ax.TickLength = [0.02 0.06];
set(gca,'XAxisLocation','top','YAxisLocation','left','ydir','reverse','XScale','log');
ax.XRuler.TickLabelGapOffset =-10;
ax.YLim = [0 20];
ax.XLim = [0 1];
ax.YDir= 'reverse';
x = [1 3 5 7];
y = [2 4 6 8];
z = [0.1 0.21 0.78 0.48];
h1 = plot([z;z], [x; y], 'LineWidth',3,'color',[0.9 0.4 0.5])
hold(gca,'on')
x = [2 8 9 14];
y = [3 9 14 20];
z = [0.9 0.1 0.71 0.38];
h2 = plot([z;z], [x; y], 'LineWidth',3,'color',[0.9 0.8 0.10])
hold(gca,'on')
legend([h1(1) h2(1)],{"Group1_Red","Group2_Yellow"})
hold(gca,'off')
Use handles in legend
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