isKey
Determine if Map
object contains key
Syntax
Description
Note
dictionary
is recommended over
containers.Map
because it accepts more data types as
keys and values and provides better performance. (since R2022b)
TF = isKey(
returns M
,keySet
)1
(true
) if M
contains the specified key, and returns 0
(false
) otherwise.
If keySet
is an array that specifies multiple keys, then
TF
is a logical array of the same size.
Examples
Input Arguments
Version History
Introduced in R2008b