joint entropy

短语

[计] 相关平均信息量, 相关熵

词形变化

joint entropies 复数 joint entropies

释义与例句

n.
  1. 1.

    The Shannon entropy of a "script" whose "characters" are elements of the Cartesian product of the sets of characters of the component scripts.

    可数 不可数 计算机 工程 数学

    If random variables X and Y are mutually independent, then their joint entropy H(X,Y) is just the sum H(X)#43;H(Y) of its component entropies. If they are not mutually independent, then their joint entropy will be H(X)#43;H(Y)-I(X#59;Y) where I(X#59;Y) is the mutual information of X and Y.