Is there a format option for the DATESTR function within the Financial Toolbox that shows fractions of seconds?
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I have several data points within one second, and I would like to show the fractional parts of the second rather than rounding off to the nearest second as all the DATESTR formats do.
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MathWorks Support Team
2009 年 6 月 27 日
This enhancement has been incorporated in Release 14 Service Pack 3 (R14SP3). For previous product releases, read below for any possible workarounds:
The ability to do use a DATESTR format that does not round-off the seconds is not available in MATLAB.
To work around this issue, you can customize the following function to suit your specific needs:
function out = newdatestr(T)
% This function converts a time, T, from the DATENUM format into
% HH:MM:SS.SSSSSS
%
% Here the seconds part retains 6 digits past the decimal. To change
% this number, change the number after the decimal after
% the last percent in the format string "f".
[y,mo,d,h,min,s] = datevecmx(T, 6);
f = '%2d:%2d:%2.6f\n';
out = sprintf(f, [h, min, s]');
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