Convert Time (string) to Time (numeric)

Question

Patrick Rungrugeecharoen 2019-6-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/466010-convert-time-string-to-time-numeric

回答： Star Strider 2019-6-7

Right now I have a vector string which is a 130611 x 1 string.

This string contains values such as:

The first row is 0 hrs 5 mins 0 secs, second row is 0 hrs 5 mins 0 secs, third row is 0 hrs 13 mins 0 secs etc.

I would like to return the same sized vector but telling me only minutes?

For instance "01:10:00" would return 70.

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Answer 1

Star Strider 2019-6-7

3
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/466010-convert-time-string-to-time-numeric#answer_378280

在 MATLAB Online 中打开

You can use the datetime data type (with a few alterations, since duration for some reason does not accept datetime objects as arguments, or at least does not when I try it):

dtv = datevec(datetime({'00:05:00';'01:10:00';'23:59:59'},'InputFormat','HH:mm:ss'));
da = duration(dtv(:,4:end));
mins = minutes(da)

producing:

I posted ‘da’ to demonstrate the conversion. It is not necessary to return it specifically.

The duration data does not ‘wrap’ unless you also supply the year-month-day values, so as long as your data are all in the same 24-hour day, they will be accurate.