% -*- texinfo -*- % @deftypefn {Function File} {[@var{m}, @var{v}] =} gamstat (@var{a}, @var{b}) % Compute mean and variance of the gamma distribution. % % @subheading Arguments % % @itemize @bullet % @item % @var{a} is the first parameter of the gamma distribution. @var{a} must be % positive % % @item % @var{b} is the second parameter of the gamma distribution. @var{b} must be % positive % @end itemize % @var{a} and @var{b} must be of common size or one of them must be scalar % % @subheading Return values % % @itemize @bullet % @item % @var{m} is the mean of the gamma distribution % % @item % @var{v} is the variance of the gamma distribution % @end itemize % % @subheading Examples % % @example % @group % a = 1:6; % b = 1:0.2:2; % [m, v] = gamstat (a, b) % @end group % % @group % [m, v] = gamstat (a, 1.5) % @end group % @end example % % @subheading References % % @enumerate % @item % Wendy L. Martinez and Angel R. Martinez. @cite{Computational Statistics % Handbook with MATLAB}. Appendix E, pages 547-557, Chapman & Hall/CRC, % 2001. % % @item % Athanasios Papoulis. @cite{Probability, Random Variables, and Stochastic % Processes}. McGraw-Hill, New York, second edition, 1984. % @end enumerate % @end deftypefn