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Inverting the symmetrical beta distribution

Published: 01 December 2006 Publication History

Abstract

We propose a fast algorithm for computing the inverse symmetrical beta distribution. Four series (two around x = 0 and two around x = 1/2) are used to approximate the distribution function, and its inverse is found via Newton's method. This algorithm can be used to generate beta random variates by inversion and is much faster than currently available general inversion methods for the beta distribution. It turns out to be very useful for generating gamma processes efficiently via bridge sampling.

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Published In

cover image ACM Transactions on Mathematical Software
ACM Transactions on Mathematical Software  Volume 32, Issue 4
December 2006
145 pages
ISSN:0098-3500
EISSN:1557-7295
DOI:10.1145/1186785
Issue’s Table of Contents
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 01 December 2006
Published in TOMS Volume 32, Issue 4

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Author Tags

  1. Random variate generation
  2. inversion method
  3. quantiles
  4. symmetrical beta distribution

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  • (2020)Primal–dual quasi-Monte Carlo simulation with dimension reduction for pricing American optionsQuantitative Finance10.1080/14697688.2020.1753884(1-20)Online publication date: 18-May-2020
  • (2020)Forward or backward simulation? A comparative studyQuantitative Finance10.1080/14697688.2020.1741668(1-14)Online publication date: 7-Apr-2020
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