Results 21 to 30 of about 19,931 (245)

A Hybrid Algorithm of GA + Simplex Method in the WSN Localization

open access: yesInternational Journal of Distributed Sensor Networks, 2015
Localization provides the key support for wireless sensor networks (WSNs). In order to solve the large-error problem in the third phase and the poor position accuracy of the least square method in the weighted DV-Hop algorithm, a hybrid algorithm of GA +
Feng Wang   +3 more
doaj   +1 more source

AASLD practice guidance on drug, herbal, and dietary supplement–induced liver injury

open access: yes, 2022
Hepatology, EarlyView.
Robert J. Fontana   +6 more
wiley   +1 more source

Optimizing the Static and Dynamic Scheduling problem of Automated Guided Vehicles in Container Terminals [PDF]

open access: yesControl and Optimization in Applied Mathematics, 2017
The Minimum Cost Flow (MCF) problem is a well-known problem in the area of network optimisation. To tackle this problem, Network Simplex Algorithm (NSA) is the fastest solution method. NSA has three extensions, namely Network Simplex plus Algorithm (NSA+)
Hassan Rashidi
doaj  

Hybrid evolutionary padé approximation approach for numerical treatment of nonlinear partial differential equations

open access: yesAlexandria Engineering Journal, 2021
This study proposes a Padé approximation based hybrid mesh free framework for numerical solutions of nonlinear partial differential equations. The proposed framework involves three novel aspects.
Kottakkaran Sooppy Nisar   +4 more
doaj   +1 more source

Sparsity Prevention Pivoting Method for Linear Programming

open access: yesIEEE Access, 2018
When the simplex algorithm is used to calculate a linear programming (LP) problem, if the matrix is a sparse matrix, it will be possible to lead to many zero-length calculation steps, and even iterative cycle will appear.
Peiqiang Li   +6 more
doaj   +1 more source

Gaussian and Lerch Models for Unimodal Time Series Forcasting

open access: yesEntropy, 2023
We consider unimodal time series forecasting. We propose Gaussian and Lerch models for this forecasting problem. The Gaussian model depends on three parameters and the Lerch model depends on four parameters.
Azzouz Dermoune   +2 more
doaj   +1 more source

GNU Oflox: an academic software for the minimal cost network flow problem [PDF]

open access: yesBulletin of Computational Applied Mathematics, 2013
We present an open-source software package written for GNU Octave. The software is an implementation of the Simplex algorithm for the minimal cost network flow problem oriented towards the academic environment.
Andrés M. Sajo-Castelli   +1 more
doaj  

A modified simplex based direct search optimization algorithm for adaptive transversal FIR filters

open access: yesScience Progress, 2021
In this paper, a novel modified optimization algorithm is presented, which combines Nelder-Mead (NM) method with a gradient-based approach. The well-known Nelder Mead optimization technique is widely used but it suffers from convergence issues in higher ...
Armaghan Mohsin   +3 more
doaj   +1 more source

Construction of Full Order-of-Addition Generalization Simplex-Centroid Designs by the Directed Graph Approach

open access: yesMathematics, 2022
The order-of-addition generalization simplex-centroid designs play a key role in mixture experiments, for example, the mixture experiments with process variables.
Haosheng Jiang, Chongqi Zhang
doaj   +1 more source

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