Education Technology

Solution 28493: Calculating the Reduced Row Echelon Form (rref) of a Matrix Using the TI-Nspire™ Family Products.

How do I calculate the reduced row echelon form of a matrix using the TI-Nspire family products?

To calculate the reduced row echelon form of a matrix using the TI-Nspire family, the Calculator Application and "rref( )" command must be used. For an example, follow the steps below.

 

1) Press [home] and insert the Calculator Application.

2) Press [menu] [7] [1] [1].

3) For this example, let rows equal to 2 and columns equal to 3.
4) Press [tab] down to "OK" and press [enter].

5) Press [5] [tab] [(-)] [3] [tab] [1] [6].
6) Press [tab] [(-)] [1] [tab] [1] [tab] [8].
7) Press [tab] [ctrl] [sto->].
8) Press [A] [B] [C] [enter].

9) Press [menu] [7] [5].

10) Press [A] [B] [C] [enter].

Please see the TI-Nspire CX, TI-Nspire CX CAS, TI-Nspire and TI-Nspire CAS guidebooks for additional information.