Section: Inspection Functions
y = isnan(x)
The result is a logical array of the same size as x
,
which is true if x
is not-a-number, and false otherwise.
Note that for complex data types that
the result is true if either the real or imaginary parts
are NaNs.
nan
:
--> a = [1.2 3.4 nan 5] a = 1.2000 3.4000 NaN 5.0000 --> isnan(a) ans = 0 0 1 0