addtodate

Modify date number by field.

Syntax

• r = addtodate(d, q, f)

Input argument

• d - serial datenum.
• q - quantile to add to date
• f - 'year', 'month', 'day', 'hour', 'minute', 'second', or 'millisecond.

Output argument

• r - date number.

Description

r = addtodate(d, q, f) adds quantity q to the indicated date field f of a scalar serial date number d, returning the updated date number r.

Example

t = datenum('07-Apr-2008 23:00:00');datevec(t)
t2 = addtodate(t, -2, 'hour');datevec(t2)
t3 = addtodate(t, 4, 'hour');datevec(t3)

See also

datenum, datevec.

History

Author

Allan CORNET