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XLS file with a date column, the date column cannot be read correctly with MATLAB 2016a in os x (10.11.5)

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I have a Excel file with a date column, the date column can be read correctly with Numbers in os x (10.11.5) . However, when I open the file with 2016a, the date column is change to be 5 consecutive digits, it supposed to be mm/dd/yy. Please advise how to resolve the problem.
REMARK
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I open the file with MATLAB 2016a(double click with filename in MATLAB) and I did't call any command in the window.
Please refer the Excel file (the author name for documents, Dr. E.P.Chan) https://github.com/burakbayramli/kod/blob/master/books/Quantitative_Trading_Chan/IGE.xls

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Walter Roberson
Walter Roberson am 1 Jun. 2016
t = readtable('IGE.xls');
t.Date = datetime(t.Date, 'ConvertFrom', 'excel', 'Format', 'MM/dd/yy');
  3 Kommentare
Walter Roberson
Walter Roberson am 1 Jun. 2016
You do not need datenum, datestr, or x2mdate() if you have R2014b or later.
t = readtable('IGE.xls');
t.Date = char( datetime(t.Date, 'ConvertFrom', 'excel', 'Format', 'yyyyMMdd') );
Nelson Mok
Nelson Mok am 2 Jun. 2016
Dear Walter, According to your suggestions, I did the code-fixing. Thank you.

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