Returns TRUE if the argument x contains a NaN value, FALSE otherwise.
Syntax
isnan(x)
Types
| Variable Name | Value Type | Variable Type | ||
|---|---|---|---|---|
| Argument: | x | real, complex | scalar, vector, matrix, signal, xy-data | |
| Result: | z | bool | scalar | |
Calculator Input
Use the button to complete the operation.
Example
| ID | Description | Type | Value | Expression | |
|---|---|---|---|---|---|
| x | COMPLEX REAL SIGNAL |  | signal([1,2],[1,1/0],[real(1/0),imag(1/0)]) | ||
| z | Result | BOOL | true | isnan(x) | |
| y | REAL SIGNAL |  | signal([1,2],[1,2],[3,4]) | ||
| z | Result | BOOL | false | isnan(y) | |