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convert date time to number ?

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I had excel sheet having date format dd/mm/yyyy hh:mm:ss , So now I want to convert each value into number format. How can I do this?
  2 Comments
Stephen Cobeldick
Stephen Cobeldick on 4 Jul 2018
Using datetime, datenum, or datevec, depending on your need. What have you tried so far?

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Aarti Dwivedi
Aarti Dwivedi on 4 Jul 2018
https://www.mathworks.com/help/matlab/ref/datenum.html Assuming that you have already read the values from the Excel sheet in different variables, the number you are looking for is "numd", it can be obtained using:
date_arr = datetime(yyyy,mm,dd,hh,mm,ss)
numd = datenum(date_arr)
  2 Comments
Aarti Dwivedi
Aarti Dwivedi on 6 Jul 2018
The OP wanted a "number", that's why I provided it. Although I agree with you that it is not the best choice, I put it with datetime as well as datenum so that it would be clear to a MATLAB novice and the OP the difference between the two.

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