How can I change the color and font on the second y axis of a subplot?

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SSB
SSB 2014-4-19
回答： DanielFromIllinois 2023-2-1
I have a Matlab subplot:
subplot(4,2,2); plotyy(x,y,x,z)
xlabel('x','FontSize',8); set(gca,'FontSize',8); legend('y','z','Location','Best');
set(legend,'FontSize',8); title('y and z','FontSize',10);
But the font on the right axis is 10, not 8, and the color is blue. I would to change the color and font. Many thanks for any help!

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2014-4-19
Try this
close
x=0:0.1:10;
y=sin(x)
z=cos(x)
subplot(4,2,2);
[ax,h1,h2]=plotyy(x,y,x,z);
hl=legend('y','z','Location','Best');
set(hl,'FontSize',8)
title('y and z','FontSize',10)
xlabel('x','FontSize',8);
set(ax,'FontSize',10);
set(h2,'color','g')
  2 个评论
SSB
SSB 2014-4-19
This is great Azzi, I have adapted your code, which also helped me make some additional changes. Many thanks!
Sara Fawal
Sara Fawal 2020-7-23
Hello Azzi,
Is there a way to set ALL the Y axis colors in a subplot to black using the findall command?
I want to do this: set(findall(gcf, 'ALL Y Axis Colors', 'k'))
Can it be done.
Thank you

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更多回答（2 个）

Mischa Kim
Mischa Kim 2014-4-19
编辑：Mischa Kim 2014-4-19
SSB, one way would be to use the plot tools. See icon in the lower right corner in the screen shot:
In the plot tools editor you can select the figure objects and change their properties. Once you are done adapting your figure you can choose > File > Generate Code... and learn how to do all those changes programmatically.
  3 个评论
显示 1更早的评论
Mischa Kim
Mischa Kim 2014-4-19
In the plot browser start by selecting the corresponding Axes (no title) and continue by changing properties as needed.
SSB
SSB 2014-4-19
Thanks. For some reason I was just not able to click on the second y-axis, but I think I have it now.

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DanielFromIllinois
You can also find the YAxis properties for left and right like so:
fh = figure;
x = 1:10;
y = 1:10;
%pltos on the left axis.
plot(x,y)
%plots on the right axis.
yyaxis right
plot(x,y*2)
%The YAxis object is stored under the Axes child of the figure.
%It has a property 'Color' that you can use to set the color to black.
%The line below will set the color to black.
fh.Children.YAxis(2) = 'k';

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