题目内容
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Let X be an ensemble of M points a1,…,aM and Let PX(aM)=α,Show that H(X)=αlog(1/α)+(1
Let X be an ensemble of M points a1,…,aM and Let PX(aM)=α,Show that H(X)=αlog(1/α)+(1 - α)log(1/(1 - α))+(1 - α)H(Y) where Y is an ensemble of M-1 points a1,…,aM-1 with probabilities PY(aj)=PX(aj)/(1 - α);1≤j≤M - 1.Show that H(X)≤αlog(1/α)+(1 - α)log(1/(1 - α))+(1 - α)log(M - 1) and determine the condition for equality.
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