Results 31 to 40 of about 107,223 (187)
On a computer-aided approach to the computation of Abelian integrals [PDF]
, 2011 An accurate method to compute enclosures of Abelian integrals is developed. This allows for an accurate description of the phase portraits of planar polynomial systems that are perturbations of Hamiltonian systems.
A. Neumaier +27 more
core +2 more sources
Use of phase portraits of hydro-mechanical units for diagnosing aircraft hydraulic systems
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2018 The article deals with diagnostics of hydraulic systems using phase portraits. A brief review of the existing methods for diagnosing hydraulic units identifying their advantages and disadvantages is given.
A. M. Gareyev, I. A. Popelnyuk
doaj +1 more source
A Novel Phase Portrait for Neuronal Excitability
PLoS ONE, 2012 Fifty years ago, FitzHugh introduced a phase portrait that became famous for a twofold reason: it captured in a physiological way the qualitative behavior of Hodgkin-Huxley model and it revealed the power of simple dynamical models to unfold complex firing patterns.
Drion, Guillaume +3 more
openaire +5 more sources
Chaos Theory and Applications, 2023 In this article, we consider the Generalized Damped Forced Korteweg-de Vries (GDFKdV) equation. The forcing term considered is of the form $F(U)=U(U-v_1)(U-v_2)$, where $v_1$ and $v_2$ are free parameters.
Shruti Tomar, Naresh M. Chadha
doaj +1 more source
Self-organization dynamics of charge carrier concentration in semiconductors due to the charge injection [PDF]
Известия высших учебных заведений: Прикладная нелинейная динамика, 2023 The purpose of this study is to investigate the phenomenon of self-organization of the dynamics of charge carriers in semiconductor structures. Investigate the basic model, give a numerical estimate for given parameters and propose its modification ...
Elisov, Maksim Viacheslavovich
doaj +1 more source
Towards Classification of Phase Transitions in Reaction--Diffusion Models
, 2006 Equilibrium phase transitions are associated with rearrangements of minima of a (Lagrangian) potential. Treatment of non-equilibrium systems requires doubling of degrees of freedom, which may be often interpreted as a transition from the ``coordinate ...
A. Kamenev +20 more
core +1 more source
On the Phase Portrait of the Fast Filtering Algorithms [PDF]
ESAIM: Control, Optimisation and Calculus of Variations, 1999 The paper describes phase portraits of fast filtering algorithms for \(n\)-th order filtering problems and of the related matrix Riccati differential equations. In particular it studies the case when the relevant positivity conditions (in the context of spectral factorization) are not necessarily satisfied so that the convergence of the fast filtering ...
openaire +2 more sources
Stokes tomography of radio pulsar magnetospheres. I. Linear polarization
, 2010 Polarimetric studies of pulsar radio emission traditionally concentrate on how the Stokes vector (I, Q, U, V) varies with pulse longitude, with special emphasis on the position angle (PA) swing of the linearly polarized component.
A. Melatos +48 more
core +1 more source
Cosmology With Negative Potentials [PDF]
, 2002 We investigate cosmological evolution in models where the effective potential V(\phi) may become negative for some values of the field \phi. Phase portraits of such theories in space of variables (\phi,\dot\phi,H) have several qualitatively new features ...
Felder, Gary +3 more
core +3 more sources
On a Planar Dynamical System Arising in the Network Control Theory
Mathematical Modelling and Analysis, 2016 We study the structure of attractors in the two-dimensional dynamical system that appears in the network control theory. We provide description of the attracting set and follow changes this set suffers under the changes of positive parameters µ and Θ.
Svetlana Atslega +2 more
doaj +1 more source