isundefined
Find undefined elements in categorical array
Syntax
Description
TF = isundefined(
returns a logical array that
indicates which elements in a categorical array are undefined values.
A
)isundefined
returns logical 1
(true
) for undefined elements; otherwise it returns logical
0
(false
). The size of
TF
is the same as the size of A
.
Any elements in A
without a corresponding category are undefined. Undefined
categorical values are missing values, similar to NaN
s,
NaT
s, and missing strings for other data types.
Examples
Input Arguments
Extended Capabilities
Version History
Introduced in R2013b