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

Question

SSB 2014-4-19

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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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Answer 1

Azzi Abdelmalek 2014-4-19

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在 MATLAB Online 中打开

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')

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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 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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Answer 2

Mischa Kim 2014-4-19

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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.