Decimal numbers problem on plotting

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Ulrich Achas
Ulrich Achas 2021-5-11
评论： DGM 2021-5-11
I am plotting a graph about a parameter that changes according to years on MATLAB. But on the years label, decimal numbers are seen. How can I make them unseen?

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回答（1 个）

DGM
DGM 2021-5-11
编辑：DGM 2021-5-11
Consider:
% make a simple plot that reproduces the fractional year ticks
x = 2016:0.5:2020
plot(x,x)
% get rid of tick labels for non-integer years
xtl = get(gca,'xticklabel')
mask = cellfun(@(x)mod(str2num(x),1)>eps,xtl);
xtl(mask) = {''}
set(gca,'xticklabel',xtl)
There are probably other ways to do this, but this is what I came up with off the top of my head.
  2 个评论
Ulrich Achas
Ulrich Achas 2021-5-11
thank you so much but as a beginner, it's a little bit complicated for me.
DGM
DGM 2021-5-11
You might also be able to get away with something like this:
x = 2016:0.5:2020
plot(x,x)
xt = get(gca,'xtick')
set(gca,'xtick',xt(mod(xt,1)==0))
though it will also remove the half-year tick marks as well

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