/usr/share/octave/packages/3.2/statistics-1.0.10/gamlike.m is in octave-statistics 1.0.10-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | ## -*- texinfo -*-
## @deftypefn {Function File} {} X = gamlike ([@var{A} @var{B}], @var{R})
## Calculates the negative log-likelihood function for the Gamma
## distribution over vector R, with the given parameters A and B.
## @seealso{gampdf, gaminv, gamrnd, gamfit}
## @end deftypefn
## Written by Martijn van Oosterhout <kleptog@svana.org> (Nov 2006)
## This code is public domain
function res = gamlike(P,K)
a=P(1);
b=P(2);
res = -sum( log( gampdf(K, a, b) ) )
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