Profile [George Abdo]

Paul Godfrey

He holds 3 U.S. patents in the area of electrical circuit design.

Some of his favorite www links are:

Interactive Fiction

http://www.ifarchive.org/if-archive/games/playgame.FAQ

Chess

http://www.rebel.nl/edsoft.htm

String Theory

http://www.superstringtheory.com/index.html

Particle Physics

http://www.hep.net/documents/drell/sec3.html

Penrose Tilings

http://www.mathcs.carleton.edu/penrose/

Riemann Zeta Hypothesis

Science News

http://www.sciencenews.org/

Numerical Recipes

http://www.nr.com

Here are some interesting Math items to look at:

1) A Three Term Recurrence for Bernoulli, Genocchi, and Euler Numbers (bern.ps)
2) A note on the computation of the convergent Lanczos complex Gamma function (gamma.txt)
3) Gamma 1 parameter coefficients for g=0 to 32. (gammacoeff.txt)
4) Gamma 2 parameter implementation error vs g vs n (fig1.jpg)
5) Gamma 1 parameter implementation error vs g (fig2.jpg)
6) A MATLAB program for the complex Gamma function. (gamma.m)
7) A MATLAB program for the complex log Gamma function. (gammaln.m)
8) A MATLAB program for the complex DiGamma function. (psi.m)
9) A MATLAB program for the complex Error function. (erfz.m)
10) Four MATLAB programs for the complex floating point Jordan matrix decomposition. (jordan.txt)
11) MATLAB based SPECIAL FUNCTIONS library. (specfun.zip)