Black axes for yyaxis (not default blue and orange)

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Heidi Hirsh
Heidi Hirsh 2019-3-23
评论： DGM 2023-9-10
I'm having a hard time making the two y axes in my yyaxis plot black instead of the default blue left axis and orange left axis. I think I need to call the axis handle for each but I'm not sure how to define them for multiple y axes.
figure
yyaxis left
plot(btimestamp(k1:k2),Bmean3637(k1:k2),'k');
ylabel('BEUTI')
ylim([-5 40])
yyaxis right
plot(btimestamp(k1:k2),t_mean(k1:k2),'g-');
hold on;
plot(btimestamp(k1:k2),b_mean(k1:k2),'b-');
ylabel('Mean Daily pH')
ylim([7.2 8.2])
legend('BEUTI','Upper pH','Lower pH')
datetick
set(AX,{'ycolor'},{'r';'b'})

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采纳的回答

Star Strider
Star Strider 2019-3-23
Try this:
figure
yyaxis left
plot((1:10), rand(1, 10), 'g')
yyaxis right
plot((5:15), sin((5:15)/5), 'r')
ax = gca;
ax.YAxis(1).Color = 'k';
ax.YAxis(2).Color = 'k';
Experiment to get the result you want.
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Sara Fawal
Sara Fawal 2020-7-23
Hello Star,
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（1 个）

Julian Dönges
Julian Dönges 2021-8-20
It is also possible to define the color order beforehand, see yyaxis documentation:
colororder({'b','m'})
yyaxis left
y = [1 2; 3 4];
plot(y)
yyaxis right
z = [4 3; 2 1];
plot(z)
legend
To make both sides black, you would write the first line as
colororder({'k','k'})
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DGM
DGM 2023-9-10
nexttile() creates axes in a tiledlayout. The output is a handle.

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