8 videos in "Matrices"
-
Solving 2x2 matrices
-
Multiplying matrices featuring a TI-Nspire
-
![[C.13] Entering a Matrix on a graphing calculator preview image](http://pi.mathvids.com/thumbs/1271-1.jpg)
[C.13] Entering a Matrix on a graphing calculator
-
![[C.14] Matrix Addition and Multiplication preview image](http://pi.mathvids.com/thumbs/1272-1.jpg)
[C.14] Matrix Addition and Multiplication
-
![[C.15] Matrix Inverse on a graphing calculator preview image](http://pi.mathvids.com/thumbs/1273-1.jpg)
[C.15] Matrix Inverse on a graphing calculator
-
![[C.16] Identity Matrix preview image](http://pi.mathvids.com/thumbs/1274-1.jpg)
[C.16] Identity Matrix
-
![[C.17] Solving the Matrix Equation preview image](http://pi.mathvids.com/thumbs/1275-1.jpg)
[C.17] Solving the Matrix Equation
-
![[C.18] Using rref on a graphing calculator preview image](http://pi.mathvids.com/thumbs/1276-1.jpg)
[C.18] Using rref on a graphing calculator
[C.15] Matrix Inverse on a graphing calculator
[C.15] Matrix Inverse on a graphing calculator
1087 views - 00:04:15
Part of video series Pre-Calculus TI Graphing Calculator Tutorials
Check out www.themathdude.org for more videos.
Learn how to find the inverse of a matrix (using inverse key x^-1) on a graphing calculator. Also, learn what the error 'Singular' means.
- How do you find the inverse of a matrix using a TI graphing calculator?
- What does ERR:INVALID DIM mean when finding an inverse matrix on a TI graphing calculator?
- When can you take the inverse of a matrix?
- What does it mean for a matrix to be Singular?
- What does ERR:SINGULAR MAT mean on a TI graphing calculator when you try to take the inverse of a matrix?
Finding the inverse of a matrix by hand can be very involved and tedious. Calculators can do this operations very quickly and easily, so this skill is very useful and important. All steps involved in finding the inverse of a matrix are shown and explained very well.
