isnan (MathScript Function) (Windows, Not in Base Package)
Member of the membership class.
Syntax
c = isnan(a)
Description
Determines whether elements of a matrix are NaN.
Inputs
| Name | Description |
| a | Specifies a matrix. |
Outputs
| Name | Description |
| c | Returns a matrix of Boolean values. An element in c is 1 if and only if the corresponding element of a is NaN. Otherwise, the element is 0. c is a matrix of the same size as a. |
Examples
C = isnan([nan, 1/0, 4])
C = isnan(2.3+nan*i)
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