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Adding month values to datetime function

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Jay
Jay 2016-5-26
评论： Andrei Bobrov 2016-5-27
If I have a datetime value of today, can I add 3 or 6 months to that value without splitting the date into 3 separate arrays (dd, MM, yyyy)?

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回答（2 个）

Andrei Bobrov
Andrei Bobrov 2016-5-26
编辑：Andrei Bobrov 2016-5-26
out = datetime('now') + calmonths([3,6])
before R2014b
out = addtodate(now ,[3,6],'month')
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Andrei Bobrov
Andrei Bobrov 2016-5-27
Yes, if your date(ObsDate) - scalar serial date number (read doc about addtodate)
Andrei Bobrov
Andrei Bobrov 2016-5-27
if ObsDate and Q - array example:
ObsDate = [2016 5 29;2016 6 14];
Q = [3 4 15];
D = datenum(ObsDate);
a = bsxfun(@(x,y)addtodate(x,y,'month'),D(:),Q(:)');
out = arrayfun(@datestr,a,'un',0)

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Jay
Jay 2016-5-27
编辑：Jay 2016-5-27
Never mind I figured out what was wrong.
CalWin = datenum(ObsDate)
CalWin = addtodate(CalWin, 3, 'month')
datestr(CalWin)

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