On the Scrambled Halton Sequence
-
Michael Mascagni
und Hongmei Chi
The Halton sequence is one of the standard (along with (t, s)-sequences and lattice points) low-discrepancy sequences, and thus is widely used in quasi-Monte Carlo applications. One of its important advantages is that the Halton sequence is easy to implement due to its definition via the radical inverse function. However, the original Halton sequence suffers from correlations between radical inverse functions with different bases used for different dimensions. These correlations result in poorly distributed two-dimensional projections. A standard solution to this is to use a randomized (scrambled) version of the Halton sequence. Here, we analyze the correlations in the standard Halton sequence, and based on this analysis propose a new and simpler modified scrambling algorithm. We also provide a number theoretic criterion to choose the optimal scrambling from among a large family of random scramblings. Based on this criterion, we have found the optimal scrambling for up to 60 dimensions for the Halton sequence. This derandomized Halton sequence is then numerically tested and shown empirically to be far superior to the original sequence.
© de Gruyter 2004
Artikel in diesem Heft
- Foreword
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- Two variants of a stochastic Euler method for homogeneous balance differential equations*
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Artikel in diesem Heft
- Foreword
- An outline of quasi-probability*: Why quasi-Monte-Carlo methods are statistically valid and how their errors can be estimated statistically
- QMC techniques for CAT bond pricing*
- Parallel Quasi-Monte Carlo Methods for Linear Algebra Problems
- Algorithm of statistical simulation of dynamic systems with distributed change of structure*
- Frequency Analysis of Semiconductor Devices Using Full-Band Cellular Monte Carlo Simulations
- The ⊝-Maruyama scheme for stochastic functional differential equations with distributed memory term*
- Subdiffusion and Superdiffusion in Lagrangian Stochastic Models of Oceanic Transport
- Approximations of functional integrals with respect to measures generated by solutions of stochastic differential equations
- Normalization of the Spectral Test in High Dimensions
- A spectral Monte Carlo method for the Poisson equation
- Convergence rate for spherical processes with shifted centres*
- On the Power of Quantum Algorithms for Vector Valued Mean Computation
- Parallel Quasirandom Walks on the Boundary
- Trajectory Splitting by Restricted Replication
- Upper Bounds for Bermudan Style Derivatives
- Stochastic Eulerian model for the flow simulation in porous media. Unconfined aquifers*
- Solution of the Space-dependent Wigner Equation Using a Particle Model
- Subgrid Modeling of Filtration in a Porous Medium with Multiscale Log-Stable permeability
- Comparison of Quasi-Monte Carlo-Based Methods for Simulation of Markov Chains
- Monte Carlo methods for fissured porous media: a gridless approach*
- Smoothed Transformed Density Rejection*
- Adaptive adjoint Monte Carlo simulation for the uncertainty
- A Nuclear Measurement Technique of Water Penetration in Concrete Barriers
- System availability and reliability analysis by direct Monte Carlo with biasing
- On the Scrambled Halton Sequence
- Monte-Carlo simulation of the chord length distribution function across convex bodies, non-convex bodies and random media
- Discrepancy of sequences generated by dynamical system
- Operator-Split Method for Variance Reduction in Stochastic Solutions of the Wigner Equation
- Two variants of a stochastic Euler method for homogeneous balance differential equations*
- Full band Monte Carlo simulation - beyond the semiclassical approach
- Coin Tossing Algorithms for Integral Equations and Tractability
- Optimal Korobov Coefficients for Good Lattice Points in Quasi Monte Carlo Algorithms
- A theoretical view on transforming low-discrepancy sequences from a cube to a simplex
- Weighted simulation of steady-state transport within the standard Monte Carlo paradigm
- Dynamic probabilistic method of numerical modeling of multidimensional hydrometeorological fields
- Quasirandom Sequences in Branching Random Walks*
- Discrete random walk on large spherical grids generated by spherical means for PDEs*
- Reusing paths in radiosity and global illumination
- Measures of Uniform Distribution in Wavelet Based Image Compression
- Random Walk Algorithms for Estimating Effective Properties of Digitized Porous Media*
- Security of Pseudo-random Generator and Monte Carlo Method
- Randomization of Quasi-Monte Carlo Methods for Error Estimation: Survey and Normal Approximation*
- Monte Carlo Simulation of Narrow-Width SOI Devices: Incorporation of the Short Range Coulomb Interaction
- Dagger-sampling variance reduction in Monte Carlo reliability analysis