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Random Sampling using k-vector
David Arnas1, Carl Leake2, Daniele Mortari2
1Centro Universitario de la Defensa Zaragoza, Crta. Huesca s/n, 50090 Zaragoza, Spain.
Computing in Science & Engineering
|June 5, 2020
Summary
This study presents two novel k-vector methods for generating random numbers with nonlinear distributions. These techniques enable efficient, large-scale random sample generation for various applications.
Area of Science:
- Computational Mathematics
- Statistical Computing
- Algorithm Development
Background:
- Accurate random number generation is crucial for simulations and statistical analysis.
- Generating numbers with specific nonlinear distributions presents a significant computational challenge.
- Existing methods may lack efficiency or flexibility for complex distributions.
Purpose of the Study:
- To introduce two novel techniques for generating random numbers following prescribed nonlinear distributions.
- To leverage the k-vector methodology for enhanced random number generation.
- To provide practical examples of these new methodologies.
Main Methods:
- Development of two distinct k-vector based approaches for random number generation.
- Method 1: Inverse transform sampling utilizing an optimal k-vector to invert cumulative distributions.
- Method 2: Random search within a pre-generated database constructed via massive distribution inversion using k-vectors.
Main Results:
- Both introduced methods demonstrate suitability for massive random sample generation.
- The k-vector methodology effectively facilitates the generation of samples with nonlinear distributions.
- The presented examples illustrate the practical application and clarity of the methodologies.
Conclusions:
- The proposed k-vector techniques offer efficient and flexible solutions for generating random numbers with nonlinear distributions.
- These methods are applicable to scenarios requiring large volumes of random samples.
- The study advances the field of random number generation with practical, scalable algorithms.
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