mirror of
https://asciireactor.com/otho/phy-4600.git
synced 2025-04-10 09:45:46 +00:00
6 lines
142 B
Plaintext
6 lines
142 B
Plaintext
|
The commutator of two operators A and B is notated as and defined to be
|
||
|
|
[A,B] = AB - BA .
|
||
|
|
|
||
|
|
A and B commute when [A,B] = 0, i.e. AB = BA.
|
||
|
|
|