How to make a matrix B such that AB=BA

  • Thread starter yooyo
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In summary: Did you read the last post before you made your first post to this thread? The one in which Matt Grimes said
  • #36
trambolin said:
hotcommodity already gave the answer, here is another possibility...

I didn't give the answer (not the first one anyways).

I don't want to get in trouble again, haha :wink:
 
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  • #37
I stand by matt_grime. It's frustrating although I'm probably that person from time to time. :smile:

matt_wonk, that's a boring question. :rolleyes: Um... :confused:
 

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