Finance
YearFraction
return the interval between two dates as a fraction of the year
Calling Sequence
Parameters
Description
Examples
Compatibility
YearFraction(todate, daycounter)
YearFraction(fromdate, todate, daycounter)
fromdate
-
a string containing a date specification in a format recognized by ParseDate or a Date data structure; first date
todate
a string containing a date specification in a format recognized by ParseDate or a Date data structure; second date
daycounter
(optional) day counter or the name of a day counting convention
The YearFraction command returns the period between fromdate and todate as a fraction of the year calculated according to the day counting convention specified by daycounter. If no day counter is specified, the default one will be used.
See DayCounter or CalendarsAndDayCounters for a detailed description of the supported day count conventions and additional examples.
withFinance:
YearFractionDec-20-2005,Nov-05-2006
0.8767123288
YearFractionDec-20-2005,Nov-05-2006,ISMA
0.9166666667
YearFractionDec-20-2005,Nov-05-2006,Simple
0.8750000000
YearFractionDec-20-2005,Nov-05-2006,OneDay
1.
DC≔Finance:-DayCounterOneDay:
YearFractionDec-20-2005,Nov-05-2006,DC
SetEvaluationDateNovember 17, 2006:
EvaluationDate
November 17, 2006
YearFractionDecember 01, 2007,December 01, 2008
1.000232053
YearFractionDecember 01, 2007,December 01, 2008,Thirty360European
YearFractionDecember 01, 2008
2.038588218
YearFractionDecember 01, 2008,Thirty360European
2.038888889
The Finance[YearFraction] command was introduced in Maple 15.
For more information on Maple 15 changes, see Updates in Maple 15.
See Also
Finance[DayCount]
Finance[DayCounter]
Finance[FormatDate]
Finance[ParseDate]
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