<< iscolumn

Elementary functions

isequal >>

---

istriu

---

Checks if matrix is diagonal.

---

Syntax

---

tf = isdiag(M)

Input argument

---

M

a numeric array

Output argument

---

tf

logical: result of 'isdiag'.

Description

---

isdiag returns an scalar logical if entry is diag.

Example

---

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

See also

---

istriu, istril.

History

---

Version	Description
1.0.0	initial version

Author

---

Allan CORNET