how to convert date to numbers

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Boss Man 2020-2-25

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https://ww2.mathworks.cn/matlabcentral/answers/507480-how-to-convert-date-to-numbers

评论： Star Strider 2020-2-25

采纳的回答： Star Strider

so i have 200 dates on my data from 1st october....

i wanted to know if there was a trick to numbering the dates,

e.g. making 1st october=1

2nd october=2 etc

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Boss Man 2020-2-25

fixed the date problem with readtable,it displays the date now

i now get this error when using day(t)

Undefined function 'day' for input arguments of type 'table'.

dpb 2020-2-25

在 MATLAB Online 中打开

The variable t is your table; NOT the date variable inside the table. If it is named something original like 'Date', say, then

da=day(t.Date);

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Star Strider 2020-2-25

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I showed you how to read them and do other operations on them in: How to combine date and time.

That also converts them to date numbers, and from there you can number them as you wish. The integer part of a date number are days, and the fractional parts are fractions of a day.

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Boss Man 2020-2-25

thanks :)

Star Strider 2020-2-25

As always, my pleasure!

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