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Hidden Errors in Simulations and the Quality of Pseudorandom Numbers

1993/01/18 by I. Vattulainen, Ilpo Vattulainen, K. Kankaala +8
Computer Science · Physics and Astronomy · #Chaos-based Image/Signal Encryption #Condensed Matter (cond-mat) #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #Numerical Methods and Algorithms #cond-mat #hep-lat

paper · pdf · doi:10.48550/arxiv.cond-mat/9301022

3 pages, plain TeX, Helsinki University Preprint HU-TFT-01-93

arxiv created 1993/01/18 · openalex publication_date 1993/01/18 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We have carried out extensive statistical, bit level and visual tests of several random number generators used in the applications of physics. Two of the generators tested were recently included in a paper by Ferrenberg \it et al. (Phys. Rev. Lett. \bf 68, 3382 (1992)) who reported correlations in their Monte Carlo simulations. As a possible explanation of this, they suggest bit level correlations in the random numbers. However, our tests find no evidence of such correlations, which highlights the importance of more careful physical tests of random number generators.

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