vt. 1.make a judgment about what is likely to happen using the available information 2.find out how much sth. will cost, how long sth. will take by using numbers
【简答题】设某离散平稳信源X,概率空间为 并设信源发出的符号只与前一个相邻符号有关,其联合概率为p(a i a j )如下表所示。 联合概率p(a i a j ) p(a i a j ) a i 0 1 2 a j 0 1/4 1/18 0 1 1/18 1/3 1/18 2 0 1/18 7/36 求信源的信息熵、条件熵与联合熵,并比较信息熵与条件熵的大小。
【单选题】It's sunny today. Sam isn't doing his homework. He's at the park. He's playing with his friends. Look! He's kicking a goal. He's a good footballer! 4.Sam is _____.