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char to double data type

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Waqas Siddique
Waqas Siddique on 24 Oct 2020
Edited: dpb on 25 Oct 2020
How do I convert the following
164x11 char=
to 164x11 double=
I want the elements to remain the same and just change the data type


Ameer Hamza
Ameer Hamza on 24 Oct 2020
No, it is not possible. And why do you want to do that?
Waqas Siddique
Waqas Siddique on 24 Oct 2020
I have 4 variables
a=164x11 double
b=164x11 double
c=164x11 double
d=164x11 char
I am using the command to display
so I get an error
Error using datetime/horzcat (line 1335)
All inputs must be datetimes or date/time character vectors or date/time strings.

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Answers (2)

dpb on 24 Oct 2020
Deprecated (and not recommended) would be
which, of course, returns the datenum associated with the date; to get the representation use datestr. But, dn is a double.
The present (and recommended) way to handle dates is to use datetime instead --
NB: the input format string representations are NOT the same between the two.
dt is its own class of datetime array, not a double. But, one can do comparisons of equality, greater/less than, etc., as well as plot and such have been extended to recognize the class as inputs.


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Waqas Siddique
Waqas Siddique on 24 Oct 2020
1 1 1 737063
2 2 2 737067
3 3 3 737067
Right now I am getting this
Walter Roberson
Walter Roberson on 24 Oct 2020
fprintf() or compose() -- you will probably find compose() easier.
dpb on 24 Oct 2020
Or, depending upon what you mean, exactly, by "display", put them in a table and the ML table data display will handle automagically...
Oh, I see Steven L already suggested via timetable..."great minds ..." :)

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Steven Lord
Steven Lord on 24 Oct 2020
I recommend turning the character data representing dates into a datetime array and using that datetime array along with your double data to create a timetable.


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