Solution 11755: Finding the Row Echelon Form of a Matrix Using a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator.
How do I find the row echelon form of a Matrix using the TI-89 family, TI-92 family, or Voyage 200 graphing calculator?
The instructions below demonstrate how to find the row echelon form of a matrix.
Example: Find the row echelon form of matrix B:
Solution: First enter the matrix in the data matrix editor.
1) Press [APPS] [6] [3] (If the Apps Desktop is on, press [APPS], select Data/Matrix Editor, and press [3]).
2) Press [►] [2] [▼] [▼] [B] [▼].
3) Press [ALPHA]. Users with a TI-92 family or Voyage 200 graphing calculator may omit this step or any reference to pressing [2ND] [LOCK].
4) Press [3] [▼] [3] [ENTER].
5) Press [ENTER] [5] [ENTER] [(-)] [6] [ENTER] [9] [ENTER].
6) Press [4] [ENTER] [7] [ENTER] [2] [ENTER].
7) Press [(-)] [3] [ENTER] [3] [ENTER] [1] [1].
8) Press [HOME] [2ND] [MATH] [4] [3].
9) Press [ALPHA] [B] [)] [ENTER].
Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information.