An mxn matrix is one whose entries below the main diagonal's are zeros. When is a square upper triangular matrix invertible?

Printable View

- October 14th 2009, 06:58 PMcottekrupper triangular matrix
An mxn matrix is one whose entries below the main diagonal's are zeros. When is a square upper triangular matrix invertible?

- October 14th 2009, 09:34 PMtonio