نتایج جستجو برای: entropy parameter m

تعداد نتایج: 796079  

Journal: :Entropy 2016
Christopher C. Mayer Martin Bachler Andreas Holzinger Phyllis K. Stein Siegfried Wassertheurer

Heart rate variability (HRV) is a non-invasive measurement based on the intervals between normal heart beats that characterize cardiac autonomic function. Decreased HRV is associated with increased risk of cardiovascular events. Characterizing HRV using only moment statistics fails to capture abnormalities in regulatory function that are important aspects of disease risk. Thus, entropy measures...

2012
H. G. Busse B. Havsteen

Characteristic f u n c t i o n s h a v e been def ined in nonlinear a u t o n o m o u s s y s t e m s . These funct ions possess properties which are equivalent to those o f the energy a n d t h e entropy concepts of t h e r m o d y n a m i c s . T h e n e w funct ions are induced in nonlinear s y s t e m s b y one parameter transf o r m a t i o n groups . T h e m a t h e m a t i c a l t r e a ...

2000
Ho-Yon Kim Jin H. Kim

2.1 Entropy and mutual information In this paper, we propose a new parameter estimation method called minimum entropy estimation (MEE), which tries to minimize the conditional entropy of the models given the input data. Since there is no assumption in MEE for the correctness of the parameter space of models, MEE will perform not less than the other estimation methods such as maximum likelihood ...

Journal: :Internet Mathematics 2006
Amit Chakrabarti Khanh Do Ba S. Muthukrishnan

We consider the problem of computing information theoretic functions such as entropy on a data stream, using sublinear space. Our first result deals with a measure we call the “entropy norm” of an input stream: it is closely related to entropy but is structurally similar to the well-studied notion of frequency moments. We give a polylogarithmic space one-pass algorithm for estimating this norm ...

1995
Roberto Casadio Giovanni Venturi

An open system consisting of a scalar field bound to a Kerr black hole whose mass (M) and specific angular momentum (a) are slowly (adiabatically) perturbed is considered. The adiabatically induced phase and the conditions for the validity of the adiabatic approximation are obtained. The effect of closed cycles in parameter space (a, M plane) on the energy levels of both stable and unstable sca...

Journal: :Entropy 2012
Michel S. Elnaggar Achim Kempf

We derive a two-parameter family of generalized entropies, Spq, and means mpq. To this end, assume that we want to calculate an entropy and a mean for n non-negative real numbers {x1,...,xn}. For comparison, we consider {m1,...,mk} where mi = m for all i = 1,...,k and where m and k are chosen such that the l and l norms of {x1,...,xn} and {m1,...,mk} coincide. We formally allow k to be real. Th...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2001
I V Morozov G E Norman A A Valuev

Stochastic properties of equilibrium strongly coupled plasmas are investigated by a molecular dynamics method. The Krylov-Kolmogorov entropy K and the dynamical memory time t(m) are calculated both for electrons and ions with mass ratios 10-10(5). Two values of K entropy for ions are discovered corresponding to electron and ion time scales. The dependence of the K entropy on the number of parti...

Journal: :IACR Cryptology ePrint Archive 2015
Xin Li

Recently, the problem of privacy amplification with an active adversary has received a lot of attention. Given a shared n-bit weak random source X with min-entropy k and a security parameter s, the main goal is to construct an explicit 2-round privacy amplification protocol that achieves entropy loss O(s). Dodis and Wichs [DW09] showed that optimal protocols can be achieved by constructing expl...

This paper applies a new multi attribute decision-making (MADM) model to help companies for enterprise resource planning (ERP) selection problem based on Balanced Score Card method. This paper uses three-parameter interval grey numbers which is derived from Grey theory (was proposed by J. Deng). This numbers is used instead of linguistic variables. Beside, a new weighting method that outcomes f...

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