PIECEWISE

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Claim Sizes-Based Perturbed Risk Model with the Dependence Structure
《Applied Mathematics》2018年第11期1281-1298,共18页Ying Shen 
In this paper, we focus on the perturbed risk model with dependent relation and consider the relevance from two aspects. For one side, we use copula function to model the structure of the claim size and interclaim tim...
关键词：PERTURBED Risk Model PIECEWISE PREMIUM DEPENDENCE The LAPLACE Transform 
L0 Regularization for the Estimation of Piecewise Constant Hazard Rates in Survival Analysis
《Applied Mathematics》2017年第3期377-394,共18页Olivier Bouaziz Grégory Nuel 
In a survival analysis context, we suggest a new method to estimate the piecewise constant hazard rate model. The method provides an automatic procedure to find the number and location of cut points and to estimate th...
关键词：Adaptive RIDGE Procedure HAZARD Rate ESTIMATION Penalized LIKELIHOOD PIECEWISE CONSTANT HAZARD Survival Analysis 
Convergence Properties of Piecewise Power Approximations
《Applied Mathematics》2016年第13期1440-1445,共16页Arcady Ponosov Anna Machina Valeria Tafintseva 
We address the problem of convergence of approximations obtained from two versions of the piecewise power-law representations arisen in Systems Biology. The most important cases of mean-square and uniform convergence ...
关键词：Power-Law Representations Piecewise Nonlinear Approximations Least-Squares Minimization Mean-Square and Uniform Convergence 
The Best Piecewise Linearization of Nonlinear Functions
《Applied Mathematics》2014年第20期3270-3276,共7页Mohammad Mehdi Mazarei Ali Asghar Behroozpoor Ali Vahidian Kamyad 
In this paper, we propose a method for finding the best piecewise linearization of nonlinear functions. For this aim, we try to obtain the best approximation of a nonlinear function as a piecewise linear function. Our...
关键词：NONLINEAR Systems PIECEWISE LINEARIZATION Optimization PROBLEM LINEAR PROGRAMMING 
Continuous Piecewise Linear Approximation of BV Function
《Applied Mathematics》2014年第4期667-671,共5页Hua Yi Tao Yu Zhiquan Chen Jingwen Zhu 
Nonlinear approximation is widely used in signal processing. Real-life signals can be modeled as functions of bounded variation. Thus the variable knot of approximating function could be self- adaptively chosen by bal...
关键词：Nonlinear Approximation BOUNDED Variation CONTINUOUS PIECEWISE Linear BASIS FUNCTION PIECEWISE Constant BASIS FUNCTION Compression DENOISING 
On the Frame Properties of System of Exponents with Piecewise Continuous Phase
《Applied Mathematics》2013年第5期848-853,共6页Saeed Mohammadali Farahani Tofig Isa Najafov 
A double system of exponents with piecewise continuous complex-valued coefficients are considered. Under definite conditions on the coefficients the frame property of this system in Lebesgue spaces of functions is inv...
关键词：SYSTEM of EXPONENTS FRAME PROPERTY PERTURBATION 
Some Applications of Optimal Control in Sustainable Fishing in the Baltic Sea
《Applied Mathematics》2011年第7期854-865,共12页Dmitriy Stukalin Werner H. Schmidt 
Issues related to the implementation of dynamic programming for optimal control of a three-dimensional dynamic model (the fish populations management problem) are presented. They belong to a class of models called Lot...
关键词：OPTIMAL CONTROL Problems Maximum PRINCIPLE PIECEWISE CONSTANT OPTIMAL CONTROL Bellman PRINCIPLE 
Wavelet Bases Made of Piecewise Polynomial Functions: Theory and Applications被引量：1
《Applied Mathematics》2011年第2期196-216,共21页Lorella Fatone Maria Cristina Recchioni Francesco Zirilli 
We present wavelet bases made of piecewise (low degree) polynomial functions with an (arbitrary) assigned number of vanishing moments. We study some of the properties of these wavelet bases;in particular we consider t...
关键词：APPROXIMATION THEORY WAVELET BASES KERNEL Sparsification Image Compression 
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