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The Engineer
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Join Date: Feb 2005
Location: Albany, New York
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An Explanation of Green's Function

03/07/2005 9:12 AM

I'm taking an Electrodynamics course right now and we're using Green's Functions to describe different charge systems. I can do the math, or at least copy the math my professor did in class, but I'm having a difficult time figuring out why Green's Functions are useful. If anyone out there is familair with this subject, I'd appreciate your interpretation. I just would like to have a more intuitive feel for this. Why do we use it? What does it do for us? Please help if you can.

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Power-User
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#1

Green's functions

03/10/2005 12:52 PM

Wikipedia has a nice, succinct explanation of Green's function as the solution to inhomogeneous partial differential equations http://en.wikipedia.org/wiki/Green's_function.

FYI - There's also a thumbnail overview of quantum electrodynamics http://en.wikipedia.org/wiki/Quantum_electrodynami cs

Now I remember how much all this stuff made my brain hurt ! :-(

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