
mjd_to_ywd(++MJD, ?YWD)

   Convert an MJD to ISO8601 Year-Week-Day representation

Arguments
   MJD                 Integer or float
   YWD                 Variable or structure of the form Year-Week-Day

Type
   library(calendar)

Description
Convert MJDs to a Year-WeekOfYear-DayOfWeek representation
	according to ISO 8601, where DayOfWeek is the day number within the
	week (1 for monday up to 7 for sunday), and WeekOfYear is the ISO8601
	week number (where week 1 is the week containing January 4th).
	Note that January 1 to 3 may belong to the previous year.


