day and month inverted in the time scaling
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Sébastien Ruiz
il 26 Set 2023
Commentato: Sébastien Ruiz
il 29 Set 2023
time x array : 04/05/2023 00:00:22.384 04/05/2023 00:00:59.361 04/05/2023 00:02:33.408
When using stairs function the legend in x is displayed Apr 05, 2023 where it should be May 04, 2023.
How can I set the time display?
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Dyuman Joshi
il 26 Set 2023
Extract the day and month from the datetime values and swap them.
%Example
in = [datetime(2023,4,5,00,00,22.384) datetime(2023,4,5,00,00,59.361) datetime(2023,4,5,00,02,33.408)]
%Get year month and day
[y,m,d] = ymd(in)
%Get hour minute and second
[H,M,S] = hms(in);
out = datetime(y,d,m,H,M,S)
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Les Beckham
il 26 Set 2023
Modificato: Les Beckham
il 26 Set 2023
If you created your "time x array" by reading strings from a text file, for example, you need to specify the 'InputFormat' argument when you read the strings using the datetime function (see documentation here).
date_strings = ["04/05/2023 00:00:22.384", "04/05/2023 00:00:59.361", "04/05/2023 00:02:33.408"];
time_x_array = datetime(date_strings, 'InputFormat', 'dd/MM/yyyy hh:mm:ss.SSS')
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Steven Lord
il 26 Set 2023
Note that if you don't include the InputFormat, MATLAB will warn you that your text data is ambiguous. It can't tell whether the month or the date is first. It will even suggest the alternate format that also matches the text representation.
date_strings = ["04/05/2023 00:00:22.384", "04/05/2023 00:00:59.361", "04/05/2023 00:02:33.408"];
time_x_array = datetime(date_strings)%, 'InputFormat', 'dd/MM/yyyy hh:mm:ss.SSS')
While MATLAB Answers runs the most recent release of MATLAB, I confirmed that this warning appears in release R2021b as well.
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