Search Results - Additive and multiplicative algorithms

Convergence Estimates of Multilevel Additive and Multiplicative Algorithms for Non-symmetric and Indefinite Problems by Cai, Zhiqiang, Lai, Chen-Yao G.

“… In particular, we are concerned with the simple additive algorithm and multigrid (V(1,0)‐cycle) algorithms given…”
Get full text

Multiplicative and additive parallel multigrid algorithms for the acceleration of compressible flow computations on unstructured meshes by Fournier, L., Lanteri, S.

“…In this paper we examine how parallel multigrid acceleration can be used to improve the efficiency of two-dimensional compressible steady flow calculations on…”
Get full text

Estimation algorithm for system with non‐Gaussian multiplicative/additive noises based on variational Bayesian inference by Yu, Xingkai, Li, Jianxun, Xu, Jian

“…‐Gaussian multiplicative and additive noises. Based on the variational idea, in order to derive optimal estimation algorithms, we combine the multiplicative noise with states as the joint parameters to estimate…”
Get full text

Research on singular value decomposition algorithm for mixed additive and multiplicative error model by Li, Guohong, Xin, Huijuan

“…•LiDAR data is disturbed by mixed additive and multiplicative errors.•The bias-corrected weighted least squares solution relies on error distribution information…”
Get full text

The improved artificial bee colony algorithm for mixed additive and multiplicative random error model and the bootstrap method for its precision estimation by Wang, Leyang, Han, Shuhao

“…To solve the complex weight matrix derivative problem when using the weighted least squares method to estimate the parameters of the mixed additive and multiplicative random error model (MAM error model…”
Get full text

An Optimal Filtering Algorithm for Systems With Multiplicative/Additive Noises by Zhang, Ling, Zhang, Xian-Da

“…In this letter, we propose a new optimal filtering algorithm for systems with multiplicative noise process under correlated additive noises…”
Get full text

Iterative algorithm for offsets, scale and rotate estimation for television image superposition with additive and multiplicative noise by Diyazitdinov, Rinat R.

“… Also additive and multiplicative noise influences the image. The main aim of developing this algorithm is to reduce the time of processing images for estimation superposition parameters…”
Get full text

Markov chain analysis of genetic algorithms applied to fitness functions perturbed concurrently by additive and multiplicative noise by Nakama, Takehiko

“…We analyze the transition and convergence properties of genetic algorithms (GAs) applied to fitness functions perturbed concurrently by additive and multiplicative noise…”
Get full text

Extended Square-Root Covariance Filtering Algorithm for Discrete-Time Systems with Multiplicative and Additive Noises by Tsyganov, A. V., Tsyganova, Yu. V., Kureneva, T. N.

“…The paper addresses a problem of constructing extended square-root covariance filtering algorithm for discrete-time linear stochastic systems with multiplicative and additive noises…”
Get full text

Estimation of the additive and multiplicative error of the standard algorithm of acoustic emission sources linear location by Makhutov, N A, Vasil’ev, I E, Chernov, D V, Mishchenko, I V, Moskovskaia, D S

“…The paper deals with the results of the standard acoustic emission (AE) source linear location algorithm, which evaluates the location of developing damage in a steel sample under static load test to destruction…”
Get full text

A Communication-efficient Local Differentially Private Algorithm in Federated Optimization by Alam, Syed Eqbal, Shukla, Dhirendra, Rao, Shrisha

“… We develop a differentially-private additive-increase and multiplicative-decrease algorithm to allocate multiple divisible shared heterogeneous resources to agents in a network…”
Get full text

A new variational model for removal of combined additive and multiplicative noise and a fast algorithm for its numerical approximation by Chumchob, Noppadol, Chen, Ke, Brito-Loeza, Carlos

“…Variational image restoration models for both additive and multiplicative noise (MN) removal are rarely encountered in the literature…”
Get full text

Derivation of linear estimation algorithms from measurements affected by multiplicative and additive noises by García-Ligero, M.J., Hermoso-Carazo, A., Linares-Pérez, J., Nakamori, S.

“… Assuming that the state-space model is unknown, the multiplicative noise is non-white and the signal and additive noise are correlated, recursive algorithms are derived for the least-squares linear…”
Get full text

Reduced Multiplicative (BURA-MR) and Additive (BURA-AR) Best Uniform Rational Approximation Methods and Algorithms for Fractional Elliptic Equations by Harizanov, Stanislav, Kosturski, Nikola, Lirkov, Ivan, Margenov, Svetozar, Vutov, Yavor

“…Numerical methods for spectral space-fractional elliptic equations are studied. The boundary value problem is defined in a bounded domain of general geometry,…”
Get full text

A stochastic model for the throughput of non-persistent TCP flows by Baccelli, François, McDonald, David R.

“…The general aim of this paper is to analyze the throughput of a HTTP flow. For this, we introduce a simplified model of such a flow which consists of a…”
Get full text

Fault tolerant additive and (μ,α)-spanners by Braunschvig, Gilad, Chechik, Shiri, Peleg, David, Sealfon, Adam

“… (the spanner's stretch). A number of algorithms are known for constructing sparse spanners with small multiplicative or additive stretch…”
Get full text

Improved Hyperspectral Unmixing Algorithm Involving the Multiplicative NMF Concept for Additive Mixing Model Dealing with Spectral Variability by Karoui, Moussa Sofiane, Benhalouche, Fatima Zohra, Deville, Yannick, Quezada, Alejandra Inga, Duarte, Leonardo Tomazeli

“… In this study, a linear additive mixture model is used to address the spectral variability phenomenon…”
Get full text

Convergence rate of consensus algorithms with multiplicative and additive noisy measurements by Yu-Ping Tian

“… with both multiplicative and additive noises…”
Get full text

Magnetic resonance imaging bias field estimation and tissue segmentation via convolutional neural networks and multiplicative and additive intrinsic components optimization by Liu, Jun, Peng, Yuliang, Pu, Mingshu, Tang, Ling, Shao, Lizhi, Wang, Pengxiang, Yang, Lan, Huang, Furong, Shen, Zijie, Li, Chunming

“… This study aimed to explore an algorithm designed to robustly address intensity inhomogeneity for brain MRI tissue segmentation under dataset constraints…”
Get full text

Adaptive Linear Quadratic Control for Stochastic Discrete-Time Linear Systems With Unmeasurable Multiplicative and Additive Noises by Jiang, Yi, Liu, Lu, Feng, Gang

“…) linear systems with unmeasurable multiplicative and additive noises. A data-driven value iteration algorithm is developed to solve the stochastic algebraic Riccati equation (SARE…”
Get full text