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Xtick in timeseries Plot

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j_solar on 17 Jan 2013
I am plotting a timeseries and I can't manage to choose the Xtick on it.
I automatically get values like:
05:00 05:48 06:36 07:24 08:12 ............. in the Xaxis for a days values
I would like to change it to whole values like
05:00 06:00 07:00 08:00
ty for the help

Accepted Answer

owr on 17 Jan 2013
This may not be the cleanest solution, but it should work well enough, or give you some ideas at least.
1) Draw your graph
x = 4.3:0.1:9.2;
y = x.^2;
2) Set the axis xtick to your specified values
xt = 5:1:8;
3) If you want your custom time based format, convert the xtick values to text with your specified formatting, override xtick labels
fun = @(n) sprintf('%02d:00',n);
xtl = arrayfun(foo,xt,'uniformoutput',false);
j_solar on 18 Jan 2013
uhm, I tried it but I don't think it works in my case.
I have an array of values every minute(1440 values from 00:00 to 23:59) and I want to plot it vs time and I want time to go every half an hour from 5:00 5:30 6:00 6:30... to 20:00.
xt must start in 300 otherwise it doesn't plot it in the right place. I have tried xt = 300:30:1200 but it doesn't work well. I think I need to change
fun = @(n) sprintf('%02d:00', n);
to add the minutes

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