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how to calculate time in matlab

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zeezo
zeezo 2016-5-7
评论： the cyclist 2016-5-8
Hi, how can I write a time in matlab and add minutes to it. For example: how to write a time into the matrix a=[7:00 7:15 7:30] and how to add 60 seconds to 7:00 , 85sec to 7:15 and 136sec to 7:30
Thanks

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采纳的回答

Star Strider
Star Strider 2016-5-7
This will work in R2013b:
a=['7:00'; '7:15'; '7:30'];
% How to add 60 seconds to 7:00 , 85sec to 7:15 and 136sec to 7:30
add = [60; 85; 136];
sec_per_day = 24*60*60;
Result = datestr(datenum(a, 'HH:MM') + add/sec_per_day, 'HH:MM:SS')
Result =
07:01:00
07:16:25
07:32:16
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zeezo
zeezo 2016-5-8
编辑：zeezo 2016-5-8
% Now I want to calculate the time different in a second between first result and the second result (example between 07:32:16 and 07:16:25)?

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the cyclist
the cyclist 2016-5-7
If you have a relatively new version of MATLAB, you can use the datetime data type.
  2 个评论
zeezo
zeezo 2016-5-7
Thanks I have R2013b. does it work in this?
the cyclist
the cyclist 2016-5-8
According to the documentation, that functionality was introduced in version R2014b.

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