isnan

Check for Not a Number entries.

📝Syntax

tf = isnan(M)

📥Input Arguments

Parameter	Description
M	a variable

📤Output Arguments

Parameter	Description
tf	logical: result of 'isnan'.

📄Description

isnan returns a logical array which is true where elements of M are "Not a Number" values.

💡Examples

isnan(pi)
isnan(NaN)
isnan(int32(3))
X = sparse([1 2 NaN 3 0 NaN 0 4]);
R = isnan(X)

🔗See Also

🕔Version History

Version	Description
1.0.0	initial version