Date to Decimal Day of Year

Versión 1.2.0.0 (1,62 KB) por Anthony Kendall
Convert a vector of MATLAB serial dates to decimal days since the start of the year.
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Actualizado 28 abr 2009

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This function calculates the decimal day of the year of the input vector of dates. The dates must be in MATLAB serial date format.

For example, for datestr(now), MATLAB produces: "18-Jan-2008 14:33:27". The output of this function, called "date2doy" yields-
date2doy(now): "18.60662".

There are two outputs, the decimal date (can be a vector), and the fraction of the year completed by that date. From the example above, the fraction of the year is: "0.0481"

This function is very fast, and is ideal for embedding in larger applications that call date2doy many times.

Citar como

Anthony Kendall (2025). Date to Decimal Day of Year (https://www.mathworks.com/matlabcentral/fileexchange/18316-date-to-decimal-day-of-year), MATLAB Central File Exchange. Recuperado .

Compatibilidad con la versión de MATLAB
Se creó con R2007a
Compatible con cualquier versión
Compatibilidad con las plataformas
Windows macOS Linux
Categorías
Más información sobre Dates and Time en Help Center y MATLAB Answers.
Agradecimientos

Inspiración para: Day of Year to MATLAB date, deseason

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Versión Publicado Notas de la versión
1.2.0.0

Submitted modified file to FEX as detailed in file description.
1.0.0.0

In response to James' review, I've heavily modified this function and taken all of his suggestions. Also, the calculation, while simple, is not as trivial as James mentions.