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术语 joint information content
释义 joint information content
联合信息量;[联合资讯内容]
In information theory, a measure of information conveyed by the occurrence of two events of definite joint probability; in mathematical notation, this measure l(xi, yj) for two particular events xi, yj from the sets x1 ...xn and y1...ym equals the logarithm of the reciprocal of the joint probability p(xi,yj) of the occurrence of both events: l(xi,yj)=log1p(xi,yj).
在信息论中,由具有确定联合概率的两个事件的出现所给出的信息测度,用数学记数法 表示如下:设xi,yj是事件集合x1…xn和y1…ym中的两个事件,则它们的联合信 息量l(xi,yj)等于这两个事件同时出现的联合概率p(xi,yj)的倒数的对数: l(xi,yj)=log1p(xi,yj)。
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