Results 21 to 30 of about 3,323,835 (313)

Simultant: simultaneous curve fitting of functions and differential equations using analytical gradient calculations

open access: yesBMC Bioinformatics, 2022
Background The initial step in comparing mathematical models to experimental data is to do a fit. This process can be complicated when either the mathematical models are not analytically solvable (e.g. because of nonlinear differential equations) or when
Julius B. Kirkegaard
doaj   +1 more source

Temperature Measurements by Wavelength Modulation Diode Laser Absorption Spectroscopy with Logarithmic Conversion and 1f Signal Detection

open access: yesSensors, 2023
A new version of a sensor for temperature measurements in the case of strong laser intensity fluctuation was developed. It was based on tunable diode laser absorption spectroscopy (TDLAS) with wavelength modulation, logarithmic conversion of the ...
Vladimir Liger   +3 more
doaj   +1 more source

Improved Measurements of the IXPE Crab Polarization

open access: yesThe Astrophysical Journal, 2023
X-ray polarization from the Imaging X-ray Polarimetry Explorer (IXPE) provides an important new probe of the geometry of the pulsar emission zone and of particle acceleration in the surrounding pulsar wind nebula.
Josephine Wong   +2 more
doaj   +1 more source

Computerized kalousek polarography [PDF]

open access: yes, 1978
A versatile online computer-based system for Kalousek polarography features simultaneous recording of oxidation and reduction currents, averaging over successive scans, and processing of the polarographic data by curve-fitting.
Bos, M.
core   +11 more sources

Evaluation of peak-fitting software for magnesium quantification through k0-instrumental neutron activation analysis

open access: yesNuclear Engineering and Technology, 2022
The selection and effective utilization of peak-fitting software for conventional gamma-ray spectrum analysis is significant for accurate determination of the mass fraction of elements, particularly in complex peak regions.
Kishore B. Dasari   +4 more
doaj   +1 more source

A new generation of simultaneous fits to LHC data using deep learning [PDF]

open access: yesJournal of High Energy Physics, 2022
We present a new methodology that is able to yield a simultaneous determination of the Parton Distribution Functions (PDFs) of the proton alongside any set of parameters that determine the theory predictions; whether within the Standard Model (SM) or ...
Shayan Iranipour, M. Ubiali
semanticscholar   +1 more source

Fitness Consequences of Reciprocally Asymmetric Hybridization between Simultaneous Hermaphrodites [PDF]

open access: yesZoological Science, 2009
Depending on fitness consequences, hybridization may rescue Inbred populations; generate premating barriers, reproductive Interference, or hybrid species; or extinguish a species. However, the fitness of hybrids is unpredictable without direct quantification of their performance in fitness components across multiple generations.
Amporn, Wiwegweaw   +3 more
openaire   +2 more sources

Modelo dinámico de crecimiento de bosques de Picea abies (L.) Karst. enAlemania

open access: yesRecursos Rurais, 2014
In the present study a dynamic stand growth model for Norway spruce (Picea abies (L.) Karst.) forests was developed from data of 99 research plots, which had been measured between one and seventeen times in northwestern and southern Germany.
Andrea Hevia   +2 more
doaj   +1 more source

THE GOODNESS OF SIMULTANEOUS FITS IN ISIS

open access: yesActa Polytechnica, 2016
In a previous work, we introduced a tool for analyzing multiple datasets simultaneously, which has been implemented into ISIS. This tool was used to fit many spectra of X-ray binaries. However, the large number of degrees of freedom and individual datasets raise an issue about a good measure for a simultaneous fit quality.
Kühnel, Matthias   +17 more
openaire   +6 more sources

Simultaneous Monte Carlo analysis of parton densities and fragmentation functions [PDF]

open access: yesPhysical Review D, 2021
We perform a comprehensive new Monte Carlo analysis of high-energy lepton-lepton, lepton-hadron and hadron-hadron scattering data to simultaneously determine parton distribution functions (PDFs) in the proton and parton to hadron fragmentation functions (
E. Moffat   +3 more
semanticscholar   +1 more source

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