12-240/Classnotes for Tuesday November 6: Difference between revisions
From Drorbn
Jump to navigationJump to search
No edit summary |
|||
| (One intermediate revision by one other user not shown) | |||
| Line 1: | Line 1: | ||
{{12-240/Navigation}} |
{{12-240/Navigation}} |
||
==Riddle== |
|||
Find A and B such that AB - BA = I |
|||
==Theorems== |
|||
1. Given U with basis <math>\alpha</math>, V with basis <math>\beta</math>, W with basis <math>\gamma,</math> |
|||
<math>[T \circ S]_\alpha^\beta = [T]_\beta^\gamma \times [S]_\alpha^\beta</math> |
|||
2. For A <math>\in M_(m \times n)</math> and B <math>\in M_(n \times p)</math> and C <math>\in M_(p \times q)</math>, |
|||
(AB)C = A(BC) |
|||
== Lecture notes scanned by [[User:Zetalda|Zetalda]] == |
== Lecture notes scanned by [[User:Zetalda|Zetalda]] == |
||
Latest revision as of 04:52, 7 December 2012
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Riddle
Find A and B such that AB - BA = I
Theorems
1. Given U with basis , V with basis , W with basis
![{\displaystyle [T\circ S]_{\alpha }^{\beta }=[T]_{\beta }^{\gamma }\times [S]_{\alpha }^{\beta }}](https://wikimedia.org/api/rest_v1/media/math/render/svg/d5bf315fa44ef77e5e6ddb0e851aa0848632b0d6)
2. For A and B and C , (AB)C = A(BC)
Lecture notes scanned by Zetalda
Page 1
Page 2
Page 3
