istriu

Checks if matrix is upper triangular.

📝Syntax

tf = istriu(M)

📥Input Arguments

Parameter	Description
M	a numeric array

📤Output Arguments

Parameter	Description
tf	logical: result of 'istriu'.

📄Description

istriu returns an scalar logical if entry is upper triangular.

💡Examples

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

🔗See Also

🕔Version History

Version	Description
1.0.0	initial version