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Re: [Phys-L] unitarity ... was: another Gedanken from PTSOS



Alas on 05/17/2012 05:49 AM, I wrote:



B |
|
|
|/
A _ _ _ _ _ _ /_ _ _ _ _ _ C
/|
/ |
|
|
D |


If we treat A and B as inputs then C and D are outputs.

... which is nonsense. Sorry about that.

It works better if we relabel the ports:


D |
|
|
|/
A _ _ _ _ _ _ /_ _ _ _ _ _ C
/|
/ |
|
|
B |


A belated example of "Check Your Work".