Results 31 to 40 of about 62,442 (223)

Angle-resolved X-ray photoelectron spectroscopy (ARXPS) and a modified Levenberg-Marquardt fit procedure: a new combination for modeling thin layers [PDF]

open access: yes, 1990
The combination of angle-resolved X-ray photoelectron spectroscopy (ARXPS) and a modified Levenberg-Marquardt (LM) fit procedure has been used to study a native oxide layer on a clean Si(100) substrate.
Aarnink, W.A.M.   +2 more
core   +2 more sources

Optimization of LMBP high-speed railway wheel size prediction algorithm based on improved adaptive differential evolution algorithm

open access: yesInternational Journal of Distributed Sensor Networks, 2019
It is beneficial for maintenance department to make maintenance strategy and reduce maintenance cost to forecast the hidden danger index value. Based on the analysis of the research status of wheel-to-life prediction at home and abroad and the repair of ...
Yu Zhang   +3 more
doaj   +1 more source

Bootstrap Resampling in Gompertz Growth Model with Levenberg–Marquardt Iteration

open access: yesJTAM (Jurnal Teori dan Aplikasi Matematika), 2022
Soybean plants have limited growth with a planting period of 12 weeks, which causes the observed sample to be very small. A small sample of soybean plant growth observations can be bias causes in the conclusion of prediction results on soybean plant ...
Fandi Rezian Pratama Gultom   +2 more
doaj   +1 more source

GEE-Levenberg-Marquardt-Method

open access: yes, 2022
this method allows you to fit nonlinear model by Levenberg–Marquardt algorithms on the Google Earth Engine ...
openaire   +1 more source

Nonsmooth Levenberg-Marquardt Type Method for Solving a Class of Stochastic Linear Complementarity Problems with Finitely Many Elements

open access: yesAlgorithms, 2016
Our purpose of this paper is to solve a class of stochastic linear complementarity problems (SLCP) with finitely many elements. Based on a new stochastic linear complementarity problem function, a new semi-smooth least squares reformulation of the ...
Zhimin Liu, Shouqiang Du, Ruiying Wang
doaj   +1 more source

Fitting sediment rating curves using regression analysis: a case study of Russian Arctic rivers [PDF]

open access: yesProceedings of the International Association of Hydrological Sciences, 2015
Published suspended sediment data for Arctic rivers is scarce. Suspended sediment rating curves for three medium to large rivers of the Russian Arctic were obtained using various curve-fitting techniques.
N. I. Tananaev
doaj   +1 more source

Direct 3D Tomographic Reconstruction and Phase-Retrieval of Far-Field Coherent Diffraction Patterns [PDF]

open access: yes, 2019
We present an alternative numerical reconstruction algorithm for direct tomographic reconstruction of a sample refractive indices from the measured intensities of its far-field coherent diffraction patterns.
Andersen, Martin Skovgaard   +3 more
core   +2 more sources

Improvement of Levenberg-Marquardt algorithm during history fitting for reservoir simulation

open access: yesPetroleum Exploration and Development, 2016
In order to estimate reservoir parameters more effectively by history fitting, DE (Differential Evolution) was proposed to estimate the optimum damping factor so that the standard Levenberg-Marquardt algorithm was improved, and the improved algorithm was
Xian ZHANG, A A AWOTUNDE
doaj   +1 more source

Utilization of artificial intelligence approach for prediction of DLP values for abdominal CT scans: A high accuracy estimation for risk assessment

open access: yesFrontiers in Public Health, 2022
PurposeThis study aimed to evaluate Artificial Neural Network (ANN) modeling to estimate the significant dose length product (DLP) value during the abdominal CT examinations for quality assurance in a retrospective, cross-sectional study.MethodsThe ...
H. O. Tekin   +10 more
doaj   +1 more source

Klasifikasi Status Gizi Balita Menggunakan Metode Backpropagation Dengan Algoritma Levenberg-Marquardt dan Inisialisasi Nguyen Widrow

open access: yesJurnal Masyarakat Informatika, 2021
Banyaknya  Kasus  Gizi  Buruk  pada  anak-anak  usia  di  bawah  lima  tahun  umumnya  ditemukan  akibat ketidaktahuan terhadap permasalahan gizi pada anak.
Wildan Azka Adzani, Priyo Sidik Sasongko
doaj   +1 more source

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