Home > freetb4matlab > info-theory > jointentropy.m

jointentropy

PURPOSE ^

%

SYNOPSIS ^

function val=jointentropy(XY)

DESCRIPTION ^

% -*- texinfo -*-
% @deftypefn {Function File} {} jointentropy (@var{xy})
%
% Computes the joint entropy of the given channel transition matrix.
% By definition we have @code{H(@var{x}, @var{y})} given as
% @code{H(@var{x}:@var{y}) = SUMx(SUMy(P(@var{x}, @var{y}) * 
% log2(p(@var{x}, @var{y}))))}
% @end deftypefn
% @seealso{entropy, conditionalentropy}

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:
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