Title of article :
A substantial improvement of the Stirling formula
Author/Authors :
Cristinel Mortici، نويسنده , , Cristinel، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2011
Abstract :
We introduce the approximation formula n ! ∼ 2 π n ( n e + 1 12 e n ) n for the factorial function. Finally, some numerical computations are made to prove the superiority over other well-known formulas.
Keywords :
Stirling formula , Rate of convergence , gamma function , approximations , Factorial function
Journal title :
Applied Mathematics Letters
Journal title :
Applied Mathematics Letters
