istriu

Checks if matrix is diagonal.

📝Syntax

tf = isdiag(M)

📥Input Arguments

Parameter	Description
M	a numeric array

📤Output Arguments

Parameter	Description
tf	logical: result of 'isdiag'.

📄Description

isdiag returns an scalar logical if entry is diag.

💡Examples

A = eye(3, 3);
R = isdiag(A)
R = isdiag(A(:,1))

🔗See Also

🕔Version History

Version	Description
1.0.0	initial version