Found 765 Documents (Results 1–100)
Another hybrid conjugate gradient method as a convex combination of WYL and CD methods. (English) Zbl 07922092
Convergence guarantees for forward gradient descent in the linear regression model. (English) Zbl 1543.62496
Deep JKO: time-implicit particle methods for general nonlinear gradient flows. (English) Zbl 07898971
Filtered generalized iterative parameter identification for equation-error autoregressive models based on the filtering identification idea. (English) Zbl 07894958
State estimation of the semilinear wave equation over the limited capacity communication channel. (English) Zbl 07889323
Decomposition-based maximum likelihood gradient iterative algorithm for multivariate systems with colored noise. (English) Zbl 1543.93321
Pseudo-value regression trees. (English) Zbl 07880149
Novel parameter estimation method for the systems with colored noises by using the filtering identification idea. (English) Zbl 07878484
EnKSGD: a class of preconditioned black box optimization and inversion algorithms. (English) Zbl 07871675
Block-wise primal-dual algorithms for large-scale doubly penalized ANOVA modeling. (English) Zbl 1543.62068
MSC:
62-08
Hierarchical estimation methods based on the penalty term for controlled autoregressive systems with colored noises. (English) Zbl 1541.93337
Polyak’s method based on the stochastic Lyapunov function for justifying the consistency of estimates produced by a stochastic approximation search algorithm under an unknown-but-bounded noise. (English) Zbl 1541.93341
Higher-order multi-scale computational approach and its convergence for nonlocal gradient elasticity problems of composite materials. (English) Zbl 07853305
Truncated Cauchy random perturbations for smoothed functional-based stochastic optimization. (English) Zbl 1536.93985
Auxiliary model-based hierarchical stochastic gradient methods for multiple-input multiple-output systems. (English) Zbl 1536.93169
Robust distributed multicategory angle-based classification for massive data. (English) Zbl 07822043
MSC:
62-XX
An efficient conjugate gradient based Cholesky CMA-ES estimation algorithm for nonlinear systems. (English) Zbl 1533.93775
Quantum mechanics denoising based channel estimation algorithm for mmWave massive MIMO systems. (English) Zbl 1534.93209
Multiscale optimization via enhanced multilevel PCA-based control space reduction for electrical impedance tomography imaging. (English) Zbl 07813445
Infinitesimal gradient boosting. (English) Zbl 07812503
The Nesterov accelerated gradient algorithm for auto-regressive exogenous models with random lost measurements: interpolation method and auxiliary model method. (English) Zbl 1533.65090
Bayesian stochastic gradient descent for stochastic optimization with streaming input data. (English) Zbl 1536.90133
MSC:
90C15
Low-rank matrix estimation via nonconvex optimization methods in multi-response errors-in-variables regression. (English) Zbl 1532.90085
Filtering-based gradient joint identification algorithms for nonlinear fractional-order models with colored noises. (English) Zbl 1531.93412
Online estimation methods for irregular autoregressive models. (English) Zbl 07917961
Valenzuela, Olga (ed.) et al., Theory and applications of time series analysis. Selected contributions from ITISE 2022, Gran Canaria, Spain, June 27–30, 2022. Cham: Springer. Contrib. Stat., 3-17 (2023).
Parameter identification of fractional-order Wiener system based on FF-ESG and GI algorithms. (English) Zbl 07892602
MSC:
93-XX
Data filtering based multi-innovation gradient identification for bilinear systems with colored noise. (English) Zbl 07844275
Parameter estimation of fractional-order Hammerstein state space system based on the extended Kalman filter. (English) Zbl 07844270
Joint two-stage multi-innovation recursive least squares parameter and fractional-order estimation algorithm for the fractional-order input nonlinear output-error autoregressive model. (English) Zbl 07844262
Filtered multi-innovation-based iterative identification methods for multivariate equation-error ARMA systems. (English) Zbl 07844217
Maximum likelihood based multi-innovation stochastic gradient identification algorithms for bilinear stochastic systems with ARMA noise. (English) Zbl 07843557
Parameter and order estimation algorithms and convergence analysis for lithium-ion batteries. (English) Zbl 1533.93768
Time-delay and parameter estimation for an ARX model based on copula theory and Armijo criterion and their applications in the modeling of the dynamics of the UAV. (English) Zbl 1534.93473
Accelerated MM algorithms for inference of ranking scores from comparison data. (English) Zbl 1541.90219
Large-scale inventory optimization: a recurrent neural networks-inspired simulation approach. (English) Zbl 1533.90028
An algorithm for estimating the unknown parameter of the Gibbs distribution based on the stochastic quasi-gradient method. (English. Ukrainian original) Zbl 1539.90135
Cybern. Syst. Anal. 59, No. 6, 1004-1007 (2023); translation from Kibern. Sist. Anal. 59, No. 6, 158-162 (2023).
MSC:
90C40
Filtered auxiliary model recursive generalized extended parameter estimation methods for Box-Jenkins systems by means of the filtering identification idea. (English) Zbl 1532.93369
Convergence acceleration of preconditioned conjugate gradient solver based on error vector sampling for a sequence of linear systems. (English) Zbl 07790629
Sliced gradient-enhanced kriging for high-dimensional function approximation. (English) Zbl 1533.65037
Reviewer: Steven B. Damelin (Ann Arbor)
Towards practical large-scale randomized iterative least squares solvers through uncertainty quantification. (English) Zbl 1538.65071
Data filtering-based parameter estimation algorithms for a class of nonlinear systems with colored noises. (English) Zbl 1522.93175
Multierror stochastic gradient algorithm for identification of a Hammerstein system with random noise and its application in the modeling of a continuous stirring tank reactor. (English) Zbl 1531.93052
MSC:
93B30
Bearing-only neural network adaptive formation control using negative gradient method. (English) Zbl 1531.93216
Statistical inference with local optima. (English) Zbl 07751820
MSC:
62-XX
Semi-linear neural networks estimation of partially linear model. (Chinese. English summary) Zbl 1538.62114
Semidecentralized zeroth-order algorithms for stochastic generalized Nash equilibrium seeking. (English) Zbl 1541.91011
An elementary approach to tight worst case complexity analysis of gradient based methods. (English) Zbl 1522.90105
Iterative parameter identification algorithms for transformed dynamic rational fraction input-output systems. (English) Zbl 1520.93553
Online parameter estimation for the McKean-Vlasov stochastic differential equation. (English) Zbl 1518.60033
Convergence in quadratic mean of averaged stochastic gradient algorithms without strong convexity nor bounded gradient. (English) Zbl 07709745
A sample-wise data driven control solver for the stochastic optimal control problem with unknown model parameters. (English) Zbl 1520.93605
Model transformation based distributed stochastic gradient algorithm for multivariate output-error systems. (English) Zbl 1520.93246
Distributed secure state estimation for linear systems against malicious agents through sorting and filtering. (English) Zbl 1520.93192
Time-delay Hammerstein system identification using modified cross-correlation method and variable stacking length multi-error algorithm. (English) Zbl 1540.93106
Optimal control of an influenza model with mixed cross-infection by age group. (English) Zbl 1540.92184
Separable synthesis gradient estimation methods and convergence analysis for multivariable systems. (English) Zbl 1518.93138
Conditions for linear convergence of the gradient method for non-convex optimization. (English) Zbl 1519.90180
On forward sufficient dimension reduction for categorical and ordinal responses. (English) Zbl 07690317
Two modified conjugate gradient methods for solving unconstrained optimization and application. (English) Zbl 1519.90228
Orientation estimation of cryo-EM images using projected gradient descent method. (English) Zbl 1516.94007
MSC:
94A08
Two-timescale stochastic gradient descent in continuous time with applications to joint online parameter estimation and optimal sensor placement. (English) Zbl 1510.93327
Online sparse sliced inverse regression for high-dimensional streaming data. (English) Zbl 1506.62287
Perturbative calculation of supersymmetric gradient flow in \(\mathcal{N} = 1\) supersymmetric QCD. (English) Zbl 1519.81490
Optimal non-asymptotic analysis of the Ruppert-Polyak averaging stochastic algorithm. (English) Zbl 1509.90145
Numerical approximate controllability for unidimensional parabolic integro-differential equations. (English) Zbl 1540.93012
Hierarchical multi-innovation stochastic gradient identification algorithm for estimating a bilinear state-space model with moving average noise. (English) Zbl 1503.93046
Reviewer: Vivek S. Borkar (Mumbai)
Two-stage gradient-based iterative algorithms for the fractional-order nonlinear systems by using the hierarchical identification principle. (English) Zbl 07841875
A novel nonlinear optimization method for fitting a noisy Gaussian activation function. (English) Zbl 07841310
Auxiliary model-based multi-innovation recursive identification algorithms for an input nonlinear controlled autoregressive moving average system with variable-gain nonlinearity. (English) Zbl 07841301
Distributed hybrid gradient algorithm with application to cooperative adaptive estimation. (English) Zbl 07807723
Proceedings of the 25th ACM international conference on hybrid systems: computation and control, HSCC 2022, part of CPS-IoT week, Milan, Italy and virtual, May 4–6, 2022. New York, NY: Association for Computing Machinery (ACM). Paper No. 15, 10 p. (2022).
Overall recursive least squares and overall stochastic gradient algorithms and their convergence for feedback nonlinear controlled autoregressive systems. (English) Zbl 1528.93227
Bias compensated stochastic gradient algorithm for identification of an ARX-type nonlinear rational model and its application in modeling of the dynamic of the cellular toxicity. (English) Zbl 1528.93224
Hierarchical maximum likelihood generalized extended stochastic gradient algorithms for bilinear-in-parameter systems. (English) Zbl 1531.93421
Multidirection gradient iterative algorithm: a unified framework for gradient iterative and least squares algorithms. (English) Zbl 1541.93334
An iterative algorithm of estimating parameters in gamma distribution with interval data. (English) Zbl 1514.62188
MSC:
62N02
Auxiliary model-based iterative estimation algorithms for nonlinear systems using the covariance matrix adaptation strategy. (English) Zbl 1510.93073
One-bit gridless DOA estimation with multiple measurements exploiting accelerated proximal gradient algorithm. (English) Zbl 1509.94030
MSC:
94A12
Identification of the ARX model with random impulse noise based on forgetting factor multi-error information entropy. (English) Zbl 1509.93004
On a robust gradient boosting scheme based on aggregation functions insensitive to outliers. (English. Russian original) Zbl 1507.68255
Autom. Remote Control 83, No. 10, 1619-1629 (2022); translation from Avtom. Telemekh. 2022, No. 10, 156-168 (2022).
Space partitioning and regression maxima seeking via a mean-shift-inspired algorithm. (English) Zbl 07633923
MSC:
62-XX
On biased stochastic gradient estimation. (English) Zbl 07625177
MSC:
68T05
Multi-innovation gradient estimation algorithms and convergence analysis for feedback nonlinear equation-error moving average systems. (English) Zbl 1501.93153
Stochastic proximal gradient method FOR \(\ell_1\) regularized optimization over a sphere. (Chinese. English summary) Zbl 1513.65188
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