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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Sequential implementation of reconstruction regression
重建回归 顺序实现 空间填充设计
2023/4/26
We propose a sequential method for implementing reconstruction regression. With a space-filling design of a small sample size, we use GP interpolation-based reconstruction regression to build initial ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Implementation of personalized optimization via the HEI algorithm
HEI算法 个性化 优化
2023/4/26
Unlike traditional robust optimization, personalized optimization aims to find the values of control variables that yield the optimal value of the objective function for given values of environmental ...
Digital Curvelet Transform: Strategy, Implementation and Experiments
Curvelets, Ridgelets Digital Ridgelet Transform
2015/8/21
In this paper, we consider the problem of realizing this transform for digital data.
We describe a strategy for computing a digital curvelet transform, we describe a
software environment, Curvelet25...
The Ridgelet Packets library provides a large family of orthonormal bases for functions f(x, y) in L2(dxdy) which includes orthonormal ridgelets as well as bases deriving from tilings reminiscent from...
Optimization-based design and implementation of multi-dimensional zero-phase IIR filters
Design automation digital filters infinite-impulse response filters iterative methods multidimensional systems, optimization
2015/8/10
This paper considers multi-dimensional infinite impulse response (IIR) filters that are iteratively implemented. The focus is on zero-phase filters with symmetric polynomials in the numerator and deno...
Digital Implementation of Ridgelet Packets
Wavelets Ridge function Ridgelets Radon Transform Radon Isometry Wavelet Packets Cosine Packets Best basis Gabor Analysis
2015/6/17
The Ridgelet Packets library provides a large family of orthonormal bases for functions f(x, y) in L2(dxdy) which includes orthonormal ridgelets as well as bases deriving from tilings reminiscent from...
Efficient implementation of smo othed particle hydro dynamics (SPH) with plane sweep algorithm
Smoothed particle hydrodynamics Meshfree method Neighbour search Plane sweep algorithm Morton code Segment tree Quadtree Parallelization Dam break
2014/10/10
Neighbour search (NS) is the core of any implementations of smoothed particle hydrodynamics (SPH). In this paper, we present an efficient O( N log N) neighbour search method based on the plane sweep (...
Discrete-Time Chaotic-Map Truly Random Number Generators: Design, Implementation, and Variability Analysis of the Zigzag Map
Truly Random Number Generator Current-Mode Circuits Switched-Current Technique Variability
2012/6/21
In this paper, we introduce a novel discrete chaotic map named zigzag map that demonstrates excellent chaotic behaviors and can be utilized in Truly Random Number Generators (TRNGs). We comprehensivel...
A cooperative conjugate gradient method for linear systems permitting multithread implementation of low complexity
cooperative conjugate gradient method linear systems multithread implementation low complexity Numerical Analysis
2012/4/17
This paper proposes a generalization of the conjugate gradient (CG) method used to solve the equation $Ax=b$ for a symmetric positive definite matrix $A$ of large size $n$. The generalization consists...
Diagonalization-free implementation of spin relaxation theory for large spin systems
NMR EPR relaxation simulation spin dynamics
2011/3/1
The Liouville space spin relaxation theory equations are reformulated in such a way as to avoid the computationally expensive Hamiltonian diagonalization step, replacing it by numerical evaluation of ...
A note on the efficient implementation of Hamiltonian BVMs
Ordinary differential equations Runge-Kutta methods one-step methods,
2011/1/20
We discuss the efficient implementation of Hamiltonian BVMs (HBVMs), a recently introduced class of energy preserving methods for canonical Hamiltonian systems (see [2] and references therein), via th...
Implementation of 2-point 2-step methods for the solution of first order ODEs
Block methods Ordinary Differential Equation
2010/9/20
In this paper the 2 point 2 step methods (2PG, M2PG, M2PF) for solving system of first order ordinary differential equations are proposed. These methods at each step will approximate the solutions of ...
The persistent cosmic web and its filamentary structure I: Theory and implementation
Cosmology simulations statistics observations Galaxies formation
2010/12/16
We present DisPerSE, a novel approach to the coherent multi-scale identification of all types of astrophysical structures, and in particular the filaments, in the large scale distribution of matter in...