Matrix Properties
Show that if a matrix \(B\in \mathbb {R}^{m\times m}\) is both upper triangular and orthogonal, then it is diagonal.
Question
Math 6610 • Analysis of Numerical Methods I
Fall 2015 • Question 2
Question
Fall 2015 • Question 2
Matrix Properties
Show that if a matrix \(B\in \mathbb {R}^{m\times m}\) is both upper triangular and orthogonal, then it is diagonal.