How to make the negative sign of y axis to be up ?

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noura
noura 2024-7-15
编辑： dpb 2024-7-15
How to make the negative sign of y axis to be up?

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回答（2 个）

dpb
dpb 2024-7-15
编辑：dpb 2024-7-15
Ran in:
plot([-1000:100:100]);
hAx=gca;
hAx.YDir='reverse';
See axes documentation for all the details...
VBBV
VBBV 2024-7-15
Ran in:
ydata = -900:100:100
ydata = 1x11
-900 -800 -700 -600 -500 -400 -300 -200 -100 0 100
<mw-icon class=""></mw-icon>
<mw-icon class=""></mw-icon>
xdata = ydata.*ones(1,length(ydata))
xdata = 1x11
-900 -800 -700 -600 -500 -400 -300 -200 -100 0 100
<mw-icon class=""></mw-icon>
<mw-icon class=""></mw-icon>
plot(xdata,ydata)
yticks = ydata;
yticklabels(fliplr(yticks))
  1 个评论
dpb
dpb 2024-7-15
Ran in:
ydata = -900:100:100;
xdata = ydata;
plot(xdata,ydata)
hAx=gca;
hAx.YDir='reverse';
The above reverses the actual relation between the x, y values; as defined, y==x so the negative x and y values should be associated visually.

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