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])