Solution 29690: Calculating Inverse of a Matrix Using the TI-Nspire™ Family Products.
How do I compute the inverse of a matrix using the TI-Nspire family products?
To computer the inverse of a matrix using the TI-Nspire family handhelds and computer software, please follow the steps below:
1) Insert a Calculator page
2) Press Menu
3) Select 7 for Matrix & Vector
4) Select 1 for Create then
5) Select 1 for Matrix
6) Select the Number of rows and columns in your matrix.
7) Input your values into the matrix template. And using your touch/click pad arrow to the top right corner of the matrix and input -1. Inputting -1 will return the inverse matrix.
8) Press Enter after inputting your values and you have placed -1 in the top right corner of the matrix for the inverse.
For more information regarding your TI-Nspire graphing calculator, please refer to the guidebooks section.