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''A Mathematical Theory of Communication'' is an influential〔Robert B. Ash. ''Information Theory''. New York: Interscience, 1965. ISBN 0-470-03445-9. New York: Dover 1990. ISBN 0-486-66521-6, p. v〕 1948 article〔 * 〕〔 * 〕 by mathematician Claude E. Shannon. It was renamed "''The'' Mathematical Theory of Communication" in the book,〔Claude E. Shannon, Warren Weaver. ''The Mathematical Theory of Communication.'' Univ of Illinois Press, 1949. ISBN 0-252-72548-4〕 a small but significant title change after realizing the generality of this work. ==Description== The article was the founding work of the field of information theory. It was later published in 1949 as a book titled ''The Mathematical Theory of Communication'' (ISBN 0-252-72546-8), which was published as a paperback in 1963 (ISBN 0-252-72548-4). The book contains an additional article by Warren Weaver, providing an overview of the theory for a more general audience. Shannon's article laid out the basic elements of communication: *An information source that produces a message *A transmitter that operates on the message to create a signal which can be sent through a channel *A channel, which is the medium over which the signal, carrying the information that composes the message, is sent *A receiver, which transforms the signal back into the message intended for delivery *A destination, which can be a person or a machine, for whom or which the message is intended It also developed the concepts of information entropy and redundancy, and introduced the term bit as a unit of information. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「A Mathematical Theory of Communication」の詳細全文を読む スポンサード リンク
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