问答题

某模型机共有7条指令,使用频度分别为:0.07,0.12,0.01,0.13,0.03,0.08,0.56,0.12,0.01,0.08,0.13,0.03,0.56。 计算平均编码长度。

【参考答案】

平均码长=5×(0.01+0.03)+4×0.07+3×(0.12+0.08+0.13)+1×0.56
=0.......

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