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

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