Stirling's approximation

  • Thread starter Paradox
  • Start date
  • #1
Paradox

Main Question or Discussion Point

I was wondering how Stirling's approximation

x! ~ sqrt(2[pi]x)xxe-x

was derived. Anyone know?
 

Answers and Replies

  • #2
3
0
This article at Mathworld derives Stirling's approximation step by step. :smile:
 
  • #3
Paradox
Thanks for the link, Jeff. It helped a lot :smile:
 

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