改进伪随机生成器

Aleks Danko, W. Danko
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引用次数: 4

摘要

很容易观察到,C、Pascal和许多其他最常用的编程语言的编译器的标准伪随机生成器并不完美和忠实。特别是,它们中的一些不是等概率的。即使对于被认为非常好的“专业”伪随机生成器,这一观察结果仍然有效(参见[2])。本文提出了一种提高伪随机生成器质量的方法。但是,如果伪随机生成器满足以下用概率论表述的假设,则所提出的方法是有效的。也就是说,要求两个(连续的)赋值x:= random, y:= random的实现结果作为随机事件,是独立的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Improving Pseudo-random Generators
It is easy to observe that standard pseudo-random generators of compilers of C, Pascal and many other most often used programming languages are not perfect and faithful. In particular, some of them are not equiprobable. This observation remains valid even for “professional” pseudo-random generators considered as very good (cf. [2]). In this paper we propose a method for improving the quality of pseudo-random generators. However, the proposed method will be efficacious if the pseudo-random generator satisfies the following postulate formulated in terms of probability theory. Namely, it is required that the results of realization of two (successive) assignments x:= random, y:= random, treated as random events, are independent.
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