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1821
A Combined Conjugate Gradient Quasi-Newton Method with Modification BFGS Formula
Published 2023-04-01“…The new quasi-Newton method satisfied the positive define, and the direction of the new preconditioned conjugate gradient is descent direction. In numerical results, it is showing the new preconditioned conjugate gradient method is more effective on several high-dimension test problems than standard preconditioning.…”
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1822
Perceptions of War in a Darwinian Perspective
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1823
Renal dysfunction due to advance pelvic organ prolapse
Published 2021-11-01“… Uterovaginal prolapse is the downward descent of the pelvic organ, resulting in protrusion of the vagina, uterus, bladder or rectum. …”
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1824
Quantum Fields without Wick Rotation
Published 2019-03-01“…We discuss the calculation of one-loop effective actions in Lorentzian spacetimes, based on a very simple application of the method of steepest descent to the integral over the field. We show that for static spacetimes this procedure agrees with the analytic continuation of Euclidean calculations. …”
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1825
Des/re-territorialización de prácticas musicales afrocubanas: compositores académicos cubanos de la diáspora de finales del siglo XX y principios del XXI
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1826
Coordinated Control of Multi-Robot Systems: A Survey
Published 2017-11-01“…The paper discusses a class of problems related to the assembly of preferable geometric shapes in a decentralized manner through the formulation of descent-based algorithms defined with respect to team-level performance costs.…”
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1827
Opposing A Spectacle of Blackness: Arap Baci, Baci Kalfa, Dadi, and the Invention of African Presence in Turkey
Published 2021-03-01“…This essay takes the representation of Africans on Turkish popular television through the combined usage of blackface-like and drag-like techniques to configure the figures of the arap baci, baci kalfa, and dadi and juxtaposes it against the material ways Turks of African descent have found to figure themselves within the public sphere. …”
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1828
MULTI-BASIS WAVENET-BASED SPEED ESTIMATION IN DIRECT TORQUE CONTROLLED ASYNCHRONOUS MOTOR
Published 2024-03-01“…Firstly, the structure and training algorithm of the proposed method is discussed. The descent gradient method is used to fulfill both system structure and parameters initialization. …”
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1829
Protocol to calculate aircraft emissions for international air routes in South America
Published 2023-03-01“…The protocol proposed in this paper can simultaneously calculate the overall emissions of six aviation pollutants (CO2, CO, HC, NOx, SO2, and PM2.5), including the landing and take-off emissions and climb/cruise/descent emissions. The international routes in South America during 2019–2021 are an example to illustrate the use of this protocol. …”
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1830
Fault-tolerant control for nonlinear systems with a dead zone: Reinforcement learning approach
Published 2023-02-01“…To simultaneously reduce the computational complexity and eliminate the local optimal problem, a novel neural network weight updated algorithm is presented to replace the classic gradient descent method. By utilizing the backstepping technique, the actor critic-based reinforcement learning control strategy is developed for high-order nonlinear nonstrict-feedback systems. …”
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1831
The Practice System of Physics and Electronics Courses in Higher Vocational Colleges Based on Fractional Differential Equations
Published 2023-01-01“…The algorithm effectively combines fractional calculus theory and gradient descent flow. At the same time, we introduce the time factor into the improved denoising model based on the spatial fractional partial differential equation. …”
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1832
Time-optimal control of driven oscillators by variational circuit learning
Published 2023-06-01“…We then use circuit learning based on gradient descent to work out the intrinsic connection between the control phase transition and the quantum speed limit imposed by unitary dynamics. …”
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1833
Time-Optimal Trajectory Planning of 6-DOF Manipulator Based on Fuzzy Control
Published 2022-11-01“…In addition, a simulation model of a 6-DOF manipulator is established in MATLAB, taking a straight-line trajectory of the end of the manipulator in Cartesian space as an example, and the effectiveness and efficiency of the algorithm proposed in this paper are proved by comparing the execution time with the bisection algorithm and the traditional gradient descent method.…”
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1834
Maximum-likelihood-estimate Hamiltonian learning via efficient and robust quantum likelihood gradient
Published 2023-05-01“…Here, we propose an efficient strategy combining maximum-likelihood estimation, gradient descent, and quantum many-body algorithms. Given the measurement outcomes, we optimize the target model Hamiltonian and density operator via a series of descents along the quantum likelihood gradient, which we prove is negative semidefinite with respect to the negative-log-likelihood function. …”
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1835
Optimal design of an adaptive robust proportional-integral-derivative controller based upon sliding surfaces for under-actuated dynamical systems
Published 2021-01-01“…The related control gains as adjustable parameters are computed during the control process using gradient descent techniques and the chain derivative rule. …”
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1836
A NEW THREE -TERM CONJUGATE GRADIENT ALGORITHM FOR SOLVING MINIMIZATION PROBLEMS
Published 2023-12-01“…Both the descending criteria and the sufficient descent criterion were met by the new approach. The novel method that has been proposed has been evaluated for global convergence. …”
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1837
The modification conjugate coefficient for conjugate gradient method to solving unconstrained optimization problems
Published 2024-01-01“…The demonstrated results establish that this innovative approach ensures both sufficient descent and global convergence, meeting the criteria of the Wolf line search condition and inexact line search. …”
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1838
Network Utilization Improvement via a Predictive Load Scheduling Scheme in Heterogeneous Wireless Networks
Published 2015-06-01“…For the proposed scheme, a fairly general HWNs scenario is considered, the scheduling problem is formulated, an iteration-based predictive method is given to obtain the idle duration, and a gradient descent method is derived for the optimal scheduled load. …”
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1839
Proximal Bundle Method for Contact Shape Optimization Problem
Published 2017-01-01“…We describe all steps of the solution, including linearization, construction of a descent direction, line search, stopping criterion, etc. …”
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1840
Prévenir ou punir ? Expertise et justice préventive dans la « guerre contre la terreur » aux États-Unis : l’affaire Mehanna
Published 2014-09-01“…Based upon a study of the trial of Tarek Mehanna, a young American of Egyptian descent, who was convicted of terrorist conspiracy in April 2012 and sentenced to seventeen years and a half in prison, this article examines the role of experts and social scientists in the legal construction of the category of terrorism. …”
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