Name
isnan — check for "Not a Number" entries
Calling Sequence
r=isnan(x)
Parameters
- x
real or complex vector or matrix r : boolean vector or
matrix
Description
isnan(x) returns a boolean vector or matrix which
contains true entries corresponding with "Not a Number"
x entries and false entries corresponding with regular
x entries.
Examples
isnan([1 0.01 -%nan %inf-%inf])