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Ƕᡤؤȥ (chaos_theory) ˤĤƾĴ٤Ƥ뤬ե饯֥ޥǥ֥ (Mandelbrot set) Τؼ Benoît Mandelbrot (1924--2010) ؤ˴ؤͤ路Ƥ뤳ȤΤäʡ֥ޥǥ֥פˤĤƤϡ#3123. ȥե饯 ([2017-11-14-1]) ȡˡ
Mandelbrot ϤͤǡŹ (cryptology) ȸؤȤˤƤ롥ܥ֥Ǥ#2699. Źؤȸء ([2016-09-16-1]) εǡξʬ̩ܤʴطˤĤƹͤȤäΤǡǺƤӼ夲ε2ǽҤ٤Ȥ Mandelbrot (552) μ1ϡ褯礹롥
. . . let us grant for the moment that the encoding and decoding machines may be as complicated as the designer may wish, and that the memory of the human links---using the common sense of the word "memory"---is unbounded. Under those ideal circumstances, it is obvious that any improvement of our understanding of the structure of language and of discourse will bring a possibility of improvement of the performance of the cryptographer or stenographer. For example, a knowledge of the rules of grammar will show that a given phrase will never be encountered in grammatically correct discourse; thus, if his employer were to speak only grammatical English, a stenographer would not need any special set of signs to designate the incorrect sentences. Similarly, a knowledge of the statistics of discourse will suggest that the "cliché" be represented by special short signs; in this way, the stenogram will be shortened and---since deciphering is very much helped by cliché---the code will be strengthened. That is, the ideal cryptographer and stenographer should make the utmost use of any available linguistic information.
ŹԤϡΤäƤФۤɡŹʸǤ뤷դ˰ŹɼԤ⡤ΤäƤФۤɡΤ褦ǽ餹ȤǤ롥ΰ̣ǡŹؤѤؤȤ⤤ΤǤ롥
Mandelbrot, Benoît. "Information Theory and Psycholinguistics." Scientific Psychology: Principles and Approaches. Ed. Benjamin B. Wolman and Ernest Nagel. New York: Basic Books, 1965. 550--62.
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