tf = isundefined(A)
| Parameter | Description |
|---|---|
| A | Input array. |
| Parameter | Description |
|---|---|
| tf | Logical array with the same size as A. |
isundefined returns true for categorical elements that do not belong to any category.
For noncategorical input, the result is a logical array of false values with the same size as the input.
A = categorical({'red','','blue'}); tf = isundefined(A)| Version | Description |
|---|---|
| 2.0.0 | initial version |