y-axis only absolute values

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Samuel
Samuel 2014-6-13
评论： dpb 2014-6-13
Hi folks,
Is there a easy way to set the y-axis values to their absolute values such that there are only positive numbers on the y-axis?
Thank you for answers,
Cheers Sam
  1 个评论
José-Luis
José-Luis 2014-6-13
What do you want to do about the negative values in your plot? Just not show them?

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回答（2 个）

dpb
dpb 2014-6-13
Sure,
plot(x,abs(y))
I'm guessing that's not what you mean, precisely, however. If you mean instead to simply display abs() of tick labels even if the y-limits include some negatives, then try
set(gca,'yticklabel',num2str(abs(get(gca,'ytick').')))
  2 个评论
Samuel
Samuel 2014-6-13
Thank you very much. That's exactly what I meant. Maybe I should have said that I don't wanna change any plot-data ;)
dpb
dpb 2014-6-13
Then please accept an answer so others won't needlessly try...

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Azzi Abdelmalek
Azzi Abdelmalek 2014-6-13
yl=get(gca,'ylim')
ylim([0 max(yl)])

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