isnat - Determine NaT (Not-a-Time) elements - MATLAB (original) (raw)
Main Content
Determine NaT (Not-a-Time) elements
Syntax
Description
tf = isnat([A](#bujxtex-1-A)) returns an array the same size as the datetime array, A, containing logical 1 (true) where the elements of A are Not-a-Time (NaTs) and logical 0 (false) where they are not. NaT represents a datetime that is undefined.
Examples
Create a datetime array from numeric values containing NaN.
d = datetime(2014,[1 2 NaN 4],1)
d = 1×4 datetime 01-Jan-2014 01-Feb-2014 NaT 01-Apr-2014
Determine if any elements of d are NaT (Not-a-Time).
ans = 1×4 logical array
0 0 1 0
Input Arguments
Input array, specified as a datetime array.
Extended Capabilities
Theisnat function fully supports tall arrays. For more information, see Tall Arrays.
Version History
Introduced in R2014b