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(xi, yj) for two particular events xi, yj from the sets x1 ...xn and y1...ym equals the logarithm of the reciprocal of the joint probability p(xi,yj) of the occurrence of both events: l(xi,yj)=log1p(xi,yj). 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xi,yj是事件集合x1…xn和y1…ym中的两个事件,则它们的联合信 息量l(xi,yj)等于这两个事件同时出现的联合概率p(xi,yj)的倒数的对数: l(xi,yj)=log1p(xi,yj)。 |
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