`isduration`

Tests whether a value is a duration array.

Category: Language Fundamentals > Data Types

Syntax

tf = isduration(A)

Returns true if A is a duration array, false otherwise.

Description

The test looks only at the class. Arrays built by seconds, minutes, hours, days or by subtracting two datetimes are durations. A plain number such as 3, even when it represents a time span, is not.

Input arguments

A: Any value.

Output arguments

tf: Logical scalar.

Example

Durations versus numbers

isduration(hours(2))
isduration(datetime(2024,1,2) - datetime(2024,1,1))
isduration(2)

Output

ans = logical
   1
ans = logical
   1
ans = logical
   0

See also

duration seconds hours class