Plotting only the year of a column vector with full date

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Naweed Niaz
Naweed Niaz 2020-10-21
评论： Peter Perkins 2020-11-19
I have a column vector with the dates in the format "MM/dd/yyyy." I would like to plot this against another vector, but only using the year part of the date. How can I extract the yyyy part and assign it to a new vector variable to be able to plot it?
  2 个评论
Rik
Rik 2020-10-21
Do you have tyhe dates as a datetime vector, as a string vector, or as a cell vector of chars? And what did you try already?
Naweed Niaz
Naweed Niaz 2020-10-21
its currently imported as a datetime vector, and I haven't tried anything because I am unsure of how to do this.

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采纳的回答

Adam Danz
Adam Danz 2020-10-21
编辑：Adam Danz 2020-10-23
Ran in:
Use xtickformat or datetick
Demo:
dt = datetime(1999,01,01) + days(1:100:5000);
y = rand(size(dt));
ax = gca();
plot(dt,y)
xtickformat(ax, 'yyyy')
●
% or
datetick(ax, 'x', 'yyyy', 'keeplimits')

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