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Topic: Commutators of the Operators  (Read 8560 times)

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Offline shell52080

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Commutators of the Operators
« on: January 28, 2008, 04:44:57 PM »
I have a homework question that asks to determine the commutators of the operators d/dx and 1/x. I don't understand what commutators are. Any help would be appreciated. Thanks!
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Offline FeLiXe

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Re: Commutators of the Operators
« Reply #1 on: January 28, 2008, 06:09:12 PM »
the commutor is defined like this:

[d/dx,1/x]=d/dx 1/x - 1/x d/dx

try to apply this to a function f(x)
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Offline shell52080

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Re: Commutators of the Operators
« Reply #2 on: January 28, 2008, 10:52:50 PM »
I think I get it. Thank you so much!!!
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