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The generalized feedback shift register pseudorandom number algorithm has several advantages over all other pseudorandom number generators. These advantages are: (1) it produces multidimensional pseudorandom numbers; (2) it has an arbitrarily long period independent of the word size of the computer on which it is implemented; (3) it is faster than other(More)
An algorithm and coding technique is presented for quick evaluation of the Lehmer pseudo-random number generator modulo 2 ** 31 - 1, a prime Mersenne number which produces 2 ** 31 - 2 numbers, on a <italic>p</italic>-bit (greater than 31) computer. The computation method is extendible to limited problems in modular arithmetic. Prime factorization for 2 **(More)
The Liu-Tang combmatmn enumeratmn algonthm produces a cychc sequence of combinations. Each combination is obtained from Its predecessor by a single exchange of two marks. History of the sequence does not need to be known to generate the next comblnatmn. A pointer programmed versmn of the Lm-Tang algorithm greatly improves speed of execution compared to the(More)
Criteria for selection of a "best" algorithm change with technology. Algorithms to generate samples from the normal probability distribution were analyzed in a technology-independent empirical Knuth type A algorithm analysis. No conclusion of the best algorithm was reached, but scrutiny of results would lead to selection of the best algorithm for a specific(More)
BACKGROUND The contribution of sport to overall health-enhancing leisure-time physical activity (HELPA) in adults is not well understood. The aim was to examine this in a national sample of Australians aged 15+ years, and to extend this examination to other ostensibly sport-associated activities. METHODS The 2010 Exercise, Recreation and Sport Survey(More)