Education Technology

Solution 34429: Finding the Row Echelon Form of a Matrix on a TI-84 Plus C Silver Edition.

How do I find the Row Echelon form of a matrix on a TI-84 Plus C Silver Edition?

To find the Row Echelon form of a matrix, input the matrix, exit the matrix editor, and then paste the ref() function on the home screen with the name of the matrix. The example below will demonstrate this procedure.

Example: Find the ref() of matrix [A]


To enter the matrix:
• Press [2nd] [MATRIX].
• Scroll to Edit.
• Press 1: [A].
• Input the dimensions [2] [ENTER] [3] [ENTER].
• Input the matrix entries, pressing enter after each entry.
• Exit the matrix editor by selecting [2nd] [QUIT].

To find the row echelon form using the ref( function:
• Press [2nd] [MATRIX].
• Scroll to MATH.
• Press [ALPHA] [A] [2nd] [MATRIX] [1] [ENTER].

Please see the TI-84 Plus C Silver Edition guidebook for additional information.