[C.16] Identity Matrix
7275 views
|
1
rating
Part of video series
Lesson Description:
Learn how to generate and use an Identity matrix on a graphing calculator (for example, in Input/Output analysis) (MATRIX/MATH/Identity).
Check out www.themathdude.org for more videos.
Questions answered by this video:
- What is an identity matrix and how do you generate an identity matrix on a TI graphing calculator?
- How can you make a TI graphing calculator generate an identity matrix of specified dimensions for you?
- What does the MATH > identity function do on a TI graphing calculator?
-
Staff Review
This lesson shows you how to force a TI graphing calculator to generate an identity matrix for you, and all you have to do is specify the dimensions. This is a very useful tool so you do not have to manually enter the 1s and 0s yourself each time.
![[C.13] Entering a Matrix on a graphing calculator preview image](https://www.mathvids.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBa3dIIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--6f4f4623fc2f01346c177e4a8cf5b9533c5a6cb7/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9VY21WemFYcGxYM1J2WDJ4cGJXbDBXd2RwQVpacGN3PT0iLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--fd851aaa3027f3a83a588ba5d0f1fd585b3d8659/%5Bc.13%5D%20entering%20a%20matrix%20on%20a%20graphing%20calculator.jpg)
![[C.14] Matrix Addition and Multiplication preview image](https://www.mathvids.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBazBIIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--d65f0027be6b0e7f7773888d395b3627777bcd86/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9VY21WemFYcGxYM1J2WDJ4cGJXbDBXd2RwQVpacGN3PT0iLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--fd851aaa3027f3a83a588ba5d0f1fd585b3d8659/%5Bc.14%5D%20matrix%20addition%20and%20multiplication.jpg)
![[C.15] Matrix Inverse on a graphing calculator preview image](https://www.mathvids.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBazhIIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--ac26aeb8e066f229c14ffb2ed434bd5947edd5ba/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9VY21WemFYcGxYM1J2WDJ4cGJXbDBXd2RwQVpacGN3PT0iLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--fd851aaa3027f3a83a588ba5d0f1fd585b3d8659/%5Bc.15%5D%20matrix%20inverse%20on%20a%20graphing%20calculator.jpg)
![[C.16] Identity Matrix preview image](https://www.mathvids.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBbEFIIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--84e90e230500ca5c6744776385d4baa4ca7d5768/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9VY21WemFYcGxYM1J2WDJ4cGJXbDBXd2RwQVpacGN3PT0iLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--fd851aaa3027f3a83a588ba5d0f1fd585b3d8659/%5Bc.16%5D%20identity%20matrix.jpg)
![[C.17] Solving the Matrix Equation preview image](https://www.mathvids.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBbEVIIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--6c38284d4d3cb268ef506920917968d501175b2a/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9VY21WemFYcGxYM1J2WDJ4cGJXbDBXd2RwQVpacGN3PT0iLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--fd851aaa3027f3a83a588ba5d0f1fd585b3d8659/%5Bc.17%5D%20solving%20the%20matrix%20equation.jpg)
![[C.18] Using rref on a graphing calculator preview image](https://www.mathvids.com/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBbElIIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--99293e6fa301601bab8563903ffea41f6c3b76ac/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9VY21WemFYcGxYM1J2WDJ4cGJXbDBXd2RwQVpacGN3PT0iLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--fd851aaa3027f3a83a588ba5d0f1fd585b3d8659/%5Bc.18%5D%20using%20rref%20on%20a%20graphing%20calculator.jpg)
