% -*- texinfo -*- % @deftypefn {Function File} {[@var{mn}, @var{v}] =} fstat (@var{m}, @var{n}) % Compute mean and variance of the F distribution. % % @subheading Arguments % % @itemize @bullet % @item % @var{m} is the first parameter of the F distribution. The elements % of @var{m} must be positive % % @item % @var{n} is the second parameter of the F distribution. The % elements of @var{n} must be positive % @end itemize % @var{m} and @var{n} must be of common size or one of them must be scalar % % @subheading Return values % % @itemize @bullet % @item % @var{mn} is the mean of the F distribution. The mean is undefined for % @var{n} not greater than 2 % % @item % @var{v} is the variance of the F distribution. The variance is undefined % for @var{n} not greater than 4 % @end itemize % % @subheading Examples % % @example % @group % m = 1:6; % n = 5:10; % [mn, v] = fstat (m, n) % @end group % % @group % [mn, v] = fstat (m, 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