Is it possible to just set the lower limit of the y-axis?

9 次查看（过去 30 天）

min lee 2024-4-19

评论： Star Strider 2024-4-19

I just want to set the lower limit of the y-axis to zero.

But with 'ylim', I have to also set the upper limit, which I do not know what value is appropriate.

What should I do?

Mathieu NOE 2024-4-19

you could set the upper limit to the max of the displayed data (so compute the max and use it in the ylim arguments)

Star Strider 2024-4-19

This should work —

ylim([0 max(ylim)])

Julius Muschaweck 2024-4-19

Two related ways I'm aware of (besides computing the max, which may be tedious with multiple plotted lines).

xx = linspace(0,2*pi,100);

yy = sin(xx);

figure(14);

clf;

plot(xx,yy);

ax = gca;

ax.YLim(1) = 0;

yl = ylim();

ylim([0,yl(2)]);

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