这是计算机理论的最后一篇.我们讨论信息理论的基础概念,什么是香农定义的熵和信息.

熵

熵与确定性成反比

信息

密码学实例

[1] Thomas M. Cover and Joy A. Thomas. Elements of Information Theory
​ 2nd Edition. Wiley-Interscience, 2 edition, July 2006.

[2] S. Vajda, Claude E. Shannon, and Warren Weaver. The mathematical
​ theory of communication. The Mathematical Gazette, 34(310):312+,
​ December 1950.

[3] http://en.wikipedia.org/wiki/Entropy_(information_theory)
原文链接：https://www.cnblogs.com/zhuowangy2k/p/11892615.html
转载链接：http://bristolcrypto.blogspot.com/2014/12/52-things-number-9-what-are-shannons_7.html