caa a22 4500 386350345 CHVBK 20180307111827.0 cr unu---uuuuu 161130e198901 xx s 000 0 eng 10.1017/S0269964800001029 doi S0269964800001029 pii (NATIONALLICENCE)cambridge-10.1017/S0269964800001029 Butler David A. Department of Statistics Oregon State University Corvalils, OR 97331-4606 A Random-Bit Generator for use in Simulating the Reliability of a Coherent System [Elektronische Daten] [David A. Butler] Consider the problem of simulating w independent Bernoulli random variables X1 X2, ..., Xw, so that {Xk = 1 = zk}, using a computer with a w-bit word length. A conventional method would be to generate w pseudorandom numbers uniform in [0,1], then "threshold” them with the values zk. This paper proposes an alternative method that only requires c pseudorandom numbers, where c is large enough so that the numbers zk are approximated satisfactorily with c bits. In many cases, c w and so fewer pseudorandom numbers are required. The new method is tested against the conventional method by employing both in simulations to estimate the reliabilities of several coherent systems. The results show that the new method is much faster. Copyright © Cambridge University Press 1989 Probability in the Engineering and Informational Sciences Cambridge University Press 3/1(1989-01), 141-147 0269-9648 3:1<141 1989 3 PES https://doi.org/10.1017/S0269964800001029 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1017/S0269964800001029 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Butler David A. Department of Statistics Oregon State University Corvalils, OR 97331-4606 NATIONALLICENCE 773 0- Probability in the Engineering and Informational Sciences Cambridge University Press 3/1(1989-01), 141-147 0269-9648 3:1<141 1989 3 PES CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-cambridge