# How to plot only the matches of two different datetime?

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jeon on 31 Jul 2021
Answered: Peter Perkins on 2 Aug 2021
I have two datas that have different dimensions of datetime.
Datetime A has value of a, and datetime B which is shorter has b.
Is it possible to plot values a when datetime A and B matches? If so, can I know what to do?
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### Accepted Answer

dpb on 31 Jul 2021
Convert A and B to timetables, then use innerjoin
ttC=innerjoin(ttA,ttB);
will leave timetable ttC with the times that are unique to both tables.
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### More Answers (1)

Peter Perkins on 2 Aug 2021
If all you have are two datetime vectors, you can use intersect to find the common values. But I'm guessing you have other data as well, so dpb's suggestion is likely the right one.
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