How to add a second x-axis on top in plot?
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I think something similar is asked in the forum before and there is a documentation on how to add second a y-axis. But I am not exactly getting what I want. It would be great if someone can help.
I want something very simple. I have x1, x2, and corresponding y. I want to plot y and show x2 at the bottom axis and x1 at the top axis. Please remember, x1 and x2 are related, so x1 = 14 will refer to x2 = 399 and they will plot y =1..and so on.
x1 = [14 16 18 20 22];
x2 = [399 520 675 830 1001];
y =[1 2 3 4 5];
plot(x2,y)
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John R
le 5 Nov 2021
Modifié(e) : John R
le 8 Déc 2021
x1 = [14 16 18 20 22];
x2 = [399 520 675 830 1001];
y =[1 2 3 4 5];
t=tiledlayout(1,1);
ax1=axes(t);
set(ax1,'XLim',[min(x1) max(x1)]);
plot(ax1,x1,y)
ax1.XTick=x1;
ax1.YTick=[];
ax1.XTickLabel=x1;
ax2=axes(t);
set(ax2,'XLim',[min(x1) max(x1)]);
plot(ax2,x1,y)
ax2.XAxisLocation='top';
ax2.XTick=x1;
ax2.XTickLabel=x2;
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