Results 221 to 230 of about 715,092 (262)

Sensitivity to Initial Conditions in Agent-Based Models

2020
In the last thirty years, agent-based modelling has become a well-known technique for studying and simulating dynamical systems. Still, there are some open issues to be addressed. One of these is the substantial absence of studies about the sensitivity to initial conditions, that is the effect of small variations at the beginning of simulation on the ...
Bertolotti, Francesco, Locoro, Angela, Mari, Luca   +2 more
openaire   +3 more sources

Sensitivity to initial conditions in the route-finder model

Behavioural Processes, 2008
A model of stimulus generalization [Staddon, J.E.R., Reid, A.K., 1990. On the dynamics of generalization. Psychol. Rev. 97, 576-578] was extended by Reid and Staddon [Reid, A.K., Staddon, J.E.R., 1998. A dynamic route finder for the cognitive map. Psychol. Rev.
Jaime R, Robles, Cristina, Vargas-Irwin
openaire   +2 more sources

Pattern sensitivity to boundary and initial conditions in reaction-diffusion models

Journal of Mathematical Biology, 1986
We consider Turing-type reaction-diffusion equations and study (via computer simulations) how the relationship between initial conditions and the asymptotic steady state solutions varies as a function of the boundary conditions. The results indicate that boundary conditions which are nonhomogeneous with respect to the kinetic steady state give rise to ...
Arcuri, P., Murray, J. D.
openaire   +2 more sources

Sensitivity to initial conditions in the Bak-Sneppen model of biological evolution

The European Physical Journal B, 1998
We consider biological evolution as described within the Bak and Sneppen 1993 model. We exhibit, at the self-organized critical state, a power-law sensitivity to the initial conditions, calculate the associated exponent, and relate it to the recently introduced nonextensive thermostatistics.
F.A. Tamarit, S.A. Cannas, C. Tsallis
openaire   +1 more source

MODELING OF NONLINEAR DYNAMIC SYSTEMS ON THE BASIS OF THE SYSTEM SENSITIVITY MODEL TO ITS INITIAL CONDITIONS

Herald of Khmelnytskyi National University. Technical sciences, 2022
A typical approach for building and analyzing an object model is presented. It is determined that the tasks of analysis of nonlinear systems consist of: calculation of transients and established processes; determination of static and dynamic stability of the found processes; calculation of the sensitivity of the initial characteristics of the system to
Leonid BILYI, Oleh POLISHCHUK, Svitlana LISEVICH, Anatoly ZALIZETSKY, Vasiliy MELNIK   +4 more
openaire   +1 more source

Sensitivity of Precipitation Modeling to Uncertainty of Initial Conditions

2011
The meaningful precipitation simulation and estimate require sophisticate models with accurate cloud microphysical and radiative parameterization schemes. One of such models is cloud-resolving model. The precipitation processes are highly nonlinearly associated with the dynamic, thermodynamic, cloud microphysical and radiative processes, which makes ...
Xiaofan Li, Shouting Gao
openaire   +1 more source

Sensitivity of Fallout Predictions to Initial Conditions and Model Assumptions

1974
Abstract : This report presents the results of an investigation into the effect of uncertainties in both initial conditions and model assumptions on fallout characteristics. The DELFIC code was used to provide baseline predictions. Among the specific areas considered are cloud rise, spatial distribution of dust, fractionation, dust size distribution ...
Edward J. Kownacki, Joseph T. McGahan
openaire   +1 more source

Sensitivity of a basin evolution model to the nature of runoff production and to initial conditions

Water Resources Research, 1992
This work investigates the effects of modifying the runoff production mechanism used in the Willgoose‐Bras‐Rodiguez‐Iturbe basin evolution model from Hortonian to subsurface saturation. The modified model also simulates basins that reproduce well common geomorphological statistics.
Ede J. Ijjász‐Vásquez, Rafael L. Bras, Glenn E. Moglen   +2 more
openaire   +1 more source

Sensitivity of a salmon population model to alternative formulations and initial conditions

Ecological Modelling, 1996
Abstract Salmon populations in many Pacific coast rivers are in serious decline and in danger of becoming threatened or endangered. A fish population model ( salmod ) that tracks fall chinook salmon has been developed for the Trinity River, California. The model considers the principal environmental factors influencing movement and mortality of young-
openaire   +1 more source

Roughness scaling and sensitivity to initial conditions in a symmetric restricted ballistic deposition model

The European Physical Journal B, 2000
In this work, we introduce a restricted ballistic deposition model with symmetric growth rules that favors the formation of local finite slopes. It is the simplest model which, even without including a diffusive relaxation mode of the interface, leads to a macroscopic groove instability.
R.G. da Silva, M.L. Lyra, C.R. da Silva, G.M. Viswanathan   +3 more
openaire   +1 more source