A simple universal generator for continuous and discrete univariate T-concave distributions

  • Authors:
  • Josef Leydold

  • Affiliations:
  • Univ. of Economics and Business Administration, Vienna, Austria

  • Venue:
  • ACM Transactions on Mathematical Software (TOMS)
  • Year:
  • 2001

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Abstract

We use inequalities to design short universal algorithms that can be used to generate random variates from large classes of univariate continuous or discrete distributions (including all log-concave distributions). The expected time is uniformly bounded over all these distributions. The algorithms can be implemented in a few lines of high-level language code. In opposition to other black-box algorithms hardly any setup step is required, and thus it is superior in the changing-parameter case.