Triangular matrix: Difference between revisions

Revision as of 07:44, 21 November 2003

Revision as of 07:45, 21 November 2003

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For example:

:<math>\begin{pmatrix}

1 & 4 & 2 \\

0 & 3 & 4 \\

0 & 0 & 1 \\

\end{pmatrix}</math>

is upper triangular and

:<math>\begin{pmatrix}

1 & 0 & 0 \\

2 & 8 & 0 \\

4 & 9 & 7 \\

\end{pmatrix}</math>

is lower triangular.