Digamma Function

Description:Calculates the digamma function for any positive integers and multiples of 1/2 (such as 3/2, 5/2, 7/2, etc) using the formulas: ψ(1/2) = -γ – ln 4 = -1.963510026, ψ(1) = -γ = -0.5772156649, ψ(n) = Σ(1/x, x, 1, n-1) - γ for n is an integer, and ψ(n) = Σ(2/(2*x+1), x, 0, n-3/2) - γ – ln 4 for n a multiple of 1/2 for the form p/2, p is odd, where γ = 0.577215664901533 (Euler-Mascheroni constant)
Filename:digamma.zip
ID:8750
Author:Eddie W. Shore: http://edspi31415.blogspot.com/
Downloaded file size:1,924 bytes
Size on calculator:2 KB
Platforms:Prime  
User rating:10/10 with 1 vote (you must be logged in to vote)
Primary category:Math
Languages:ENG  
File date:2017/12/28 17:47:14
Creation date:2017/12/22
Source code:Included
Download count:57
Version history:2017/12/28: Added to site
Archive contents:
  Length      Date    Time    Name
---------  ---------- -----   ----
     1808  2017-12-28 17:46   DIGAM.hpprgm
     2961  2017-12-28 17:47   digamma.html
---------                     -------
     4769                     2 files
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