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Estimating the distribution of dynamic invariants: Illustrated with an application to human photo-plethysmographic time series
[article]

2003
*
arXiv
*
pre-print

*Dynamic*invariants are often

*estimated*from experimental time series with the aim of differentiating between different physical

*states*in the underlying

*system*. ... In this communication we propose a surrogate based method to

*estimate*the expected

*distribution*of values under the null hypothesis that the underlying deterministic

*dynamics*are stationary. ...

*Dynamic*invariants are often

*estimated*from experimental time series with the aim of differentiating between different physical

*states*in the underlying

*system*. ...

##
###
From Single Cell Data to Mechanistic Insights Into Stem Cell Differentiation
[article]

2018
*
Figshare
*

◦ identifying molecular interaction networks from data and available prior knowledge ◦ building

doi:10.6084/m9.figshare.5899252
fatcat:ynjjvczpjjb7ngqokokv3tb6yy
*dynamical**systems*representations for detailed (in)validation and hypothesis evaluation The presentation ... Transition*State*Characteristics During Cell Differentiation. bioRxiv, 264143. http://doi.org/10.1101/2641434. Chan, T. E., Pallaseni, A., Babtie, A. C., McEwen, K., & Stumpf, M. P. H. (2018). ... We can establish empirical Null*distributions*for MI and PUC and use these to calculate local the FDR to score edges. We can infer networks for different True Discovery Rates. ...##
###
Aerodynamic State and Loads Estimation Using Bioinspired Distributed Sensing

2020
*
Journal of Aircraft
*

Future applications based on

doi:10.2514/1.c036224
fatcat:peymtaf3jjcq5pjiysjnq7c74u
*distributed*sensing could include enhanced flight control*systems*that directly use measurements of aerodynamic*states*and loads, allowing for increase maneuverability and ... Flying animals exploit highly nonlinear*dynamics*to achieve efficient and robust flight control. ... Aerodynamic*State*and Loads*Estimation*Using Bioinspired*Distributed*Sensing Sergio A. Araujo-Estrada * and Shane P. ...##
###
Inner Shell Definition and Absolute Hydration Free Energy of K+(aq) on the Basis of Quasi-chemical Theory and Ab Initio Molecular Dynamics
[article]

2003
*
arXiv
*
pre-print

The

arXiv:physics/0310158v1
fatcat:no6xpjz3ubfaflaxzd7ecjw2tq
*quasi*-chemical*estimate*of solvation free energy for the neutral pair KOH is also in good agreement with experiments. ... Her we address these questions using both the statistical mechanical*quasi*-chemical theory of solutions and ab initio molecular*dynamics*simulations. ... data, and on that basis a*quasi*-chemical analysis provides a good*estimate*of the absolute hydration free energy. ...##
###
Inner shell definition and absolute hydration free energy of K+(aq) on the basis of quasi-chemical theory and ab initio molecular dynamics

2004
*
Physical Chemistry, Chemical Physics - PCCP
*

The

doi:10.1039/b313756b
fatcat:2aolxmmdfjghlo26i5h5axdtau
*quasi*-chemical*estimate*of solvation free energy for the neutral pair KOH is also in good agreement with experiments. * ... Here we address these questions using both the statistical mechanical*quasi*-chemical theory of solutions and ab initio molecular*dynamics*simulations. ... data, and on that basis a*quasi*-chemical analysis provides a good*estimate*of the absolute hydration free energy. ...##
###
A Stochastic Metapopulation Model with Variability in Patch Size and Position

1995
*
Theoretical Population Biology
*

The

doi:10.1006/tpbi.1995.1034
fatcat:rqjkzf6dbnfrxgo5apqsedo4ky
*state*of the metapopulation is defined by the presence or absence of the species in each patch. For a*system*of n patches, this gives 2 n possible*states*. ... We illustrate the model's application to metapopulations by considering an example of malleefowl, Leipoa ocellata, in southern Australia, and calculate extinction probabilities and*quasi*-stationary*distributions*...*Quasi*-stationary*distributions*cannot be calculated in this case because some nonzero*states*are not accessible from others in this*system*. ...##
###
Quasi-Random Sampling for Condensation
[chapter]

2000
*
Lecture Notes in Computer Science
*

in the high-dimensional

doi:10.1007/3-540-45053-x_9
fatcat:jmdctuc7ajbvrcdtuio7xizn34
*state*space. ... However, the conventional Condensation tracker is known to have difficulty with high-dimensional*state*spaces and unknown motion models. ... Dark -Highest probability*state**estimate*; Light -Mean*state**estimate*. The*quasi*-random tracker was successful using the same number of samples. Fig. 7. ...##
###
Quasi-Static Ultrasound Elastography

2009
*
Ultrasound Clinics
*

Local tissue displacement vector

doi:10.1016/j.cult.2009.10.009
pmid:20798841
pmcid:PMC2927834
fatcat:mhhhdpc2enaijl4udmo5wxsvj4
*estimates*between small segments of the pre-and post-deformation signals are*estimated*and the corresponding strain*distribution*imaged. ... In*quasi*-static elastography, radiofrequency echo signals acquired before and after a small (about 1%) of applied deformation are correlated to*estimate*tissue displacements. ... 10] [11] [12] [13] [14] , 2) Steady-*state**quasi*-static low frequency excitation on the order of 5-10 Hz, and 3) Imaging of steady-*state**quasi*-static deformations due to physiological excitation [35] [ ...##
###
Bimodal Behavior of the Heaviest Fragment Distribution in Projectile Fragmentation

2009
*
Physical Review Letters
*

The charge

doi:10.1103/physrevlett.103.072701
pmid:19792638
fatcat:p6fegnyd2jfxhbvvmx6jspvnui
*distribution*of the heaviest fragment detected in the decay of*quasi*-projectiles produced in intermediate energy heavy-ion collisions has been observed to be bimodal. ... An*estimate*of the latent heat of the transition is extracted. ... The physical meaning of this hypothesis is that the entrance channel geometry and*dynamics*(as well as the bias induced by the detection*system*and data selection) determine only the energy*distribution*...##
###
Disentangling regular and chaotic motion in the standard map using complex network analysis of recurrences in phase space

2016
*
Chaos
*

Recurrence in the phase space of complex

doi:10.1063/1.4942584
pmid:26931601
fatcat:upwb5qefr5cahhk3fmirunc3ye
*systems*is a well-studied phenomenon, which has provided deep insights into the nonlinear*dynamics*of such*systems*. ... conservative*system*. ... Hence, the length*distribution*p(l) of white vertical lines l in the RM not containing any recurrent pair of observed*state*vectors provides an empirical*estimate*of the*distribution*of RTs on the considered ...##
###
Modelling of a Torrefaction Process Using Thermal Model Object

2021
*
Energies
*

The furnace used for torrefaction was initially improvised to carry out thermal degradation at

doi:10.3390/en14092481
doaj:5070e2c0750b466f81f2eec8f6bd01c4
fatcat:i3vhzv6rjngdxkt5lkkxf6n5wa
*quasi*-static/*dynamic*conditions. ... The*system*was found to have a homogeneous*distribution*in energy and temperature with time, whereas the amplitude of heat flux along the radial direction was reduced by 15% if the same pellet underwent ... The relative drop of 17.24% in water evaporation was*estimated*in the*dynamic**state*of the*system*. ...##
###
Detecting environmental impacts on metapopulations of mound spring invertebrates

2001
*
Environment International
*

We run the models to

doi:10.1016/s0160-4120(01)00091-5
pmid:11697674
fatcat:ckpdkiulwnbdler534xxqrqroi
*quasi*-equilibrium, and then impose an impact by increasing the local extinction probability. ... The*distribution*of*states*in the last time step is an*estimate*of the*quasi*-stationary*distribution*, or the*distribution*of*states*we expect to see, conditional on the*system*not having gone extinct. ... This suggests that by 10 years postimpact the*system*is approaching a new*quasi*-stationary*distribution*. ...##
###
Formation and Dynamics of a Schrödinger-Cat State in Continuous Quantum Measurement
[article]

2001
*
arXiv
*
pre-print

probability

arXiv:quant-ph/0101035v1
fatcat:3jsjoaskdjdtvgjmsotfcxcstu
*distribution*for the cantilever position develops two asymmetric peaks that*quasi*-periodically appear and vanish. ... The measurement takes place through the interaction of a single spin with a*quasi*-classical cantilever, modeled by a quantum oscillator in a coherent*state*in a*quasi*-classical region of parameters. ... Our investigation of the*dynamics*of a pure quantum spin 1/2*system*interacting with a*quasi*-classical cantilever has revealed the generation of a*quasi*-periodic asymmetric Schrödinger-cat*state*for the ...##
###
Page 2284 of Mathematical Reviews Vol. , Issue 2003C
[page]

2003
*
Mathematical Reviews
*

Consistency and asymptotic

*distribution*of the*estimators*obtained by the instrumental variable method are also discussed. ... In the paper under review the problem of*estimating*parameters in linear, discrete-time*dynamical**systems*is considered. Both the*system*and output observations are influenced by random errors. ...##
###
Estimating the distribution of dynamic invariants: illustrated with an application to human photo-plethysmographic time series

2007
*
Nonlinear Biomedical Physics
*

*Dynamic*invariants are often

*estimated*from experimental time series with the aim of differentiating between different physical

*states*in the underlying

*system*. ... We propose a surrogate based method to

*estimate*the expected

*distribution*of values under the null hypothesis that the underlying deterministic

*dynamics*are stationary. ... True

*estimation*of

*dynamic*invariants from noisy data is a process fraught with difficulty, in this paper we are only concerned with

*estimating*the

*distribution*of

*estimates*. ...

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