Reduced row echelon form: Difference between revisions

=={{header|TI-89 BASIC}}==

rref([1,2,–1,–4; 2,3,–1,–11; –2,0,–3,22])

Output (in prettyprint mode): <math>\begin{bmatrix} 1&0&0&-8 \\ 0&1&0&1 \\ 0&0&1&-2 \end{bmatrix}</math>

Matrices can also be stored in variables, and entered interactively using the Data/Matrix Editor.