— Function File: r = isbusday (refdate)
— Function File: r = isbusday (refdate, holiday)
— Function File: r = isbusday (refdate, holiday, weekend)

Return true if the refdate is a business date refdate. holiday is a vector of datenums that defines the holidays observed (the holidays function is used if not given). weekend defines the days of the week that should be considered weekends; [1 0 0 0 0 0 1] (default) indicates that Sunday and Saturday are weekends.

See also: holidays, lbusdate, busdate, fbusdate