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Could anyone help me how to have the legend as in the desired manner for two y axis.

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Could anyone help me how to write the legend with two y axis as in the desired format.
I have generated the line graph with two y axis , 5 lines for lefy y axis and 5 lines for right y axis so total 10 lines
Now I want to have the legend in a manner that left y axis should be dotted line with different marker and right y axis should be solid line with the marker similar to left y axis.
Could anyone please help me on this.
  2 件のコメント
KSSV
KSSV 2021 年 8 月 8 日
Show us your code. And first acknowledge the previous questions you have asked.
jaah navi
jaah navi 2021 年 8 月 8 日
x=1:10
y1=rand(1,10)
y2=rand(1,10)
y3=rand(1,10)
y4=rand(1,10)
figure(1)
[hAX,hLine1,hLine2] = plotyy(x, [y1; y3], x, [y2; y4], @(X,Y)semilogy(X,Y), @(X,Y)plot(X,Y));
set(hLine1(1),'LineStyle','-','Marker','*', 'Color', 'r');
set(hLine1(2),'LineStyle','-','Marker','o', 'Color', 'b');
set(hLine2(1),'LineStyle','--','Marker','*', 'Color', 'r');
set(hLine2(2),'LineStyle','--','Marker','o', 'Color', 'b');
set(gca,'XTick',[1:1:10])
xlabel('persons')
ylabel(hAX(1),'weight') % left y-axis
ylabel(hAX(2),'height') % right y-axis
grid on;
lgd=columnlegend(2,{'Batch 1','Batch 2 ','Batch 1','Batch 2'})
when I run the code i am getting the legend in the graph as follows
But actually i want 'Batch 1','Batch 2 ' to be displayed once with markers alone followed by solid line mentioning weights and dotted line mentioning heights.
Could you please help me on this.

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採用された回答

Chunru
Chunru 2021 年 8 月 8 日
Change the last line
x=1:10;
y1=rand(1,10);
y2=rand(1,10);
y3=rand(1,10);
y4=rand(1,10);
figure(1)
[hAX,hLine1,hLine2] = plotyy(x, [y1; y3], x, [y2; y4], @(X,Y)semilogy(X,Y), @(X,Y)plot(X,Y));
set(hLine1(1),'LineStyle','-','Marker','*', 'Color', 'r');
set(hLine1(2),'LineStyle','-','Marker','o', 'Color', 'b');
set(hLine2(1),'LineStyle','--','Marker','*', 'Color', 'r');
set(hLine2(2),'LineStyle','--','Marker','o', 'Color', 'b');
set(gca,'XTick',[1:1:10])
xlabel('persons')
ylabel(hAX(1),'weight') % left y-axis
ylabel(hAX(2),'height') % right y-axis
grid on;
lgd=legend({'Batch 1','Batch 2 '});
  4 件のコメント
jaah navi
jaah navi 2021 年 8 月 9 日
I want to have the legend as seen below. Could you please help me on this.
Chunru
Chunru 2021 年 8 月 9 日
Though I don't recommend such manual adjustment, it can be done:
x=1:10;
y1=rand(1,10);
y2=rand(1,10);
y3=rand(1,10);
y4=rand(1,10);
figure(1)
[hAX,hLine1,hLine2] = plotyy(x, [y1; y3], x, [y2; y4], @(X,Y)semilogy(X,Y), @(X,Y)plot(X,Y));
set(hLine1(1),'LineStyle','-','Marker','*', 'Color', 'r');
set(hLine1(2),'LineStyle','-','Marker','o', 'Color', 'b');
set(hLine2(1),'LineStyle','--','Marker','*', 'Color', 'r');
set(hLine2(2),'LineStyle','--','Marker','o', 'Color', 'b');
set(gca,'XTick',[1:1:10])
xlabel('persons')
ylabel(hAX(1),'weight') % left y-axis
ylabel(hAX(2),'height') % right y-axis
grid on;
axes(hAX(2)); hold on
text(7, 0.2, '* Batch 1', 'FontSize', 8); text(8.5, 0.2, 'o Batch 2', 'FontSize', 8);
plot([7 8], [0.15 0.15], 'b-'); plot([7 8], [0.1 0.1], 'b--');
text(8.5, 0.15, 'height', 'FontSize', 8);
text(8.5, 0.1, 'weight', 'FontSize', 8)

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その他の回答 (1 件)

Walter Roberson
Walter Roberson 2021 年 8 月 9 日
th(1) = plot(nan,nan,'*', 'displayname', 'Batch 1');
th(2) = plot(nan,nan,'o', 'displayname', 'Batch 2');
th(3) = plot(nan,nan,'-', 'displayname', 'height');
th(4) = plot(nan,nan,'--', 'displayname', 'weight');
legend(th, 'show')
  1 件のコメント
jaah navi
jaah navi 2021 年 8 月 9 日
when I run the command i am getting error stating Error using legend>process_inputs
Invalid argument. Type 'help legend' for more information.
Could you please help me on this.

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