Triangular matrix: Difference between revisions

Revision as of 22:25, 8 May 2023

Revision as of 18:43, 31 October 2023

Line 35:

This matrix

:<math>\begin{bmatrix}

1 & 4 & 1 \\

0 & 6 & 9 \\

0 & 0 & 1 \\

\end{bmatrix}</math>

is upper triangular and this matrix

:<math>\begin{bmatrix}

1 & 0 & 0 \\

Line 48 ⟶ 42:

\end{bmatrix}</math>

is lower triangular., and

:<math>\begin{bmatrix}

1 & 4 & 1 \\

0 & 6 & 9 \\

0 & 0 & 1 \\

\end{bmatrix}</math>

is upper triangular and this matrix

==Forward and back substitution==