How to setup legend for a figure with two axes (left and right)?
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Alborz Sakhaei
am 3 Okt. 2016
Kommentiert: Armando Cerullo
am 30 Sep. 2021
I have a figure with two axes (left and right). 2 lines on left axis and one line on right axis. I can not get all legends in one box using following code.
PS. I have read previous discussions (links below) on this topic but does not seem to work for me!
x = 0:0.01:10;
y11 = sin(x);
y12 = cos(x);
y2 = ones(1001,1);
figure;
ax(1) = axes('position',[0.1 0.1 0.8 0.8]);
ax(2) = axes('position',[0.1 0.1 0.8 0.8], 'yaxislocation','right','color','none');
line('parent',ax(1),'xdata',x,'ydata',y11,'color','b');
line('parent',ax(1),'xdata',x,'ydata',y12,'color','g');
line('parent',ax(2),'xdata',x,'ydata',y2,'color','r');
legend( [ax(1) ; ax(2)] , {'sin','cos','one'} )
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Akzeptierte Antwort
Jakub Rysanek
am 4 Okt. 2016
You can create the legend using the handles of your line objects:
l1=line('parent',ax(1),'xdata',x,'ydata',y11,'color','b');
l2=line('parent',ax(1),'xdata',x,'ydata',y12,'color','g');
l3=line('parent',ax(2),'xdata',x,'ydata',y2,'color','r');
legend( [l1;l2;l3] , {'sin','cos','one'} );
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Weitere Antworten (1)
KSSV
am 4 Okt. 2016
Bearbeitet: KSSV
am 4 Okt. 2016
Try the legend separately:
legend(ax(1) , {'sin','cos'} ) ;
legend(ax(2) , {'one'} ) ;
2 Kommentare
Subhamoy Saha
am 25 Dez. 2018
Bearbeitet: Subhamoy Saha
am 25 Dez. 2018
For R2014b that works fine but for R2017a only last legend is showing (i.e., ax(2) legend) ignoring the first one (, i.e. ax(1)). This is really important as I want to set location for these two legend at two different location and so cannot use a single legend command. Please help how to proceed.
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