Non-Unity Variant of Echelon Matrix/Examples/Arbitrary Matrix 1

Examples of Non-Unity Echelon Matrices

$\begin {bmatrix}

0 & 1 & 2 & 3 \\ 0 & 0 & 0 & 1 \\ 0 & 0 & 0 & 0 \\ \end {bmatrix} $ is an echelon matrix.

Sources

• 1998: Richard Kaye and Robert Wilson: Linear Algebra ... (previous) ... (next): Part $\text I$: Matrices and vector spaces: $1$ Matrices: $1.5$ Row and column operations: Exercise $1.3 \ \text {(a)}$