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How to simplify this summation to an incomplete gamma function 
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#1
Apr2514, 10:08 AM

P: 1

Could someone please explain why the following sum simplifies to the following?
= As far as I can see, this sum does not correlate to the formula for incomplete gamma function as a sum. I'd appreciate any help as the incomplete gamma function is somewhat beyond the scope of my current course. P.S. I managed to do it eventually. The key was recognising that nk could be substituted for k as k varies from 0 to n. 


#2
May414, 10:22 PM

Admin
P: 9,329

I'm sorry you are not generating any responses at the moment. Is there any additional information you can share with us? Any new findings?



#3
May814, 03:47 AM

P: 756

In attachment, we refer to a property of the incomplete gamma function, Eq.(2) in :
http://mathworld.wolfram.com/Incompl...aFunction.html 


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