deterministic and stochastic models

... between the two stochastic models 1.2 Motivation and Objective 1.2.1 Langevin dynamics and Monte Carlo method The two stochastic dynamical models, the Langevin dynamical equation and the Monte ... transition and β ≡ 1/kB T = D−1 Applying the standard analysis on both stochastic models, i.e the MaxwellBoltzmann treatment on the Langevin dynamical model and the detailed balance analysis on the random ... hidden analytical links and prove the equivalence between the two stochastic models; • Develop systematic approaches to map the Monte Carlo models into Langevin dynamics and analytically derive...

Ngày tải lên: 12/09/2015, 08:16

... different frequency bands, and the energy in each band is found by integrating Sxx (ω, ω) over the band c 1999 by CRC Press LLC We can define a bandpass stochastic process, with band B, as one that ... class of random variables, called circular complex random variables Circularity is a type of symmetry in the distributions of the real and imaginary parts of complex random variables and stochastic ... 60 Complex Random Variables and Stochastic Processes 60.1 Introduction 60.2 Complex Envelope Representations of Real Bandpass Stochastic Processes Representations of Deterministic Signals...

Ngày tải lên: 25/10/2013, 02:15

... assertion we review the concept of copulas and state a simple proposition which is the basis of comparing existing models and defining new and structurally different models Copulas Copulas are simply the ... function of a standard d-dimensional normal random vector with correlation matrix R, and Φ is the distribution function of univariate Ga standard normal CR is known as the Gaussian copula, and this ... Variable Models To understand that the use of the Gaussian copula leads to models that are structurally equivalent we introduce a formal definition of equivalence for latent variable models and present...

Ngày tải lên: 06/03/2014, 04:21

... to understand and engineer the microcosm A brief coverage of stochastic processes in general, and of stochastic reaction kinetics in particular Many dynamical systems of scientific and technological ... molecular simulation and stochastic modeling methods) and has a good number of interesting problems Athanassios Z Panagiotopoulos Princeton University Statistical Thermodynamics and Stochastic Kinetics ... Thermodynamics and his class notes were always a point of reference The late Ted H Davis gave me encouragement and invaluable feedback Dan Bolintineanu and Thomas Jikku read the final draft and helped...

Ngày tải lên: 07/03/2014, 20:20

... methods of context similarity, and concluded that agglomerative clustering provides effective means of inference (Gooi and Allan, 2004) Pedersen et al (2006) and Purandare and Pedersen (2004) integrate ... Reading and Learning to Read Andrew McCallum and Ben Wellner 2004 Conditional models of identity uncertainty with application to noun coreference In Neural Information Processing Systems (NIPS) Andrew ... of hand-tuned weights, dictionaries, and heuristics to define similarity for name disambiguation (Blume, 2005; Baron and Freedman, 2008; Popescu et al., 2008) These approaches are greedy and differ...

Ngày tải lên: 07/03/2014, 22:20

... segmentation and polarity labeling and compare them to the joint opinion extractor and polarity classifier by Choi and Cardie (2010) Secondly, we extend the global structure approach and add features ... points in intersection F-measure and points in recall The improvements over Choi and Cardie (2010) ranged between 10 and 15 in overlap F-measure and between 17 and 24 in recall This is not only ... Facts, Opinions and Bias in Time, and under grant 247758: Trustworthy Eternal Systems via Evolving Software, Data and Knowledge (EternalS) References Stephan Bloehdorn and Alessandro Moschitti...

Ngày tải lên: 07/03/2014, 22:20

... previous section compared similiar joint and conditional tagging models This section compares a pair of joint and conditional parsing models The models are both stochastic shift-reduce parsers; they ... Lari and S.J Young 1990 The estimation of Stochastic Context-Free Grammars using the Inside-Outside algorithm Computer Speech and Language, 4(35-56) Andrew McCallum, Dayne Freitag, and Fernando ... Maximum-Entropy Markov Models (McCallum et al., 2000) and Stochastic Unification-based Grammars (Johnson et al., 1999) are standardly estimated with conditional estimators, and it would be interesting...

Ngày tải lên: 08/03/2014, 05:20

... November 25, 2008 Strikes and vols are expressed as differences from the respective ATM values Source: Bloomberg Andersen and Andreasen (2002), Piterbarg (2005), Wu and Zhang (2006) and Zhu (2007) In ... (t) (27) where φk is a deterministic function of time and rate ψt is a deterministic function of time d d and volatility, the stochastic volatility Vk is an adapted process, and Z d = {Z1 , , ... Risk, March, 59-60 [16] Jamshidian, F (1997) LIBOR and Swap Market Models and Measures Finance and Stochastics 1, 293-330 [17] Kijima, M., K Tanaka and T Wong (2008) A Multi-Quality Model of Interest...

Ngày tải lên: 15/03/2014, 07:20

... mistransmitted (Models 1, 3, 5), and how the N and V probabil- ities acquired by a given learner are coupled In ˆ Model there is no coupling (ˆ t and βt learned α independently), in Models 2–3 coupling takes ... −k2 k2 t t PB (k1 , k2 ) ≡ (2) αt and βt , the probability that a random member of Gt produces N and V examples as σ´ , are the σ ˆ ensemble averages of αt and βt over all members ˆ of Gt Because ... detail, develop more complex models (for example, by relaxing the infinitepopulation assumption, allowing for stochastic dynamics), and quantitatively compare model predictions and observed dynamics...

Ngày tải lên: 17/03/2014, 00:20

... : , and similarly elsewhere The theory defines the properties of seven nodes: an abstract V e r b node, nodes E n V e r b , A u x and M o d a l , and three abstract lexemes W a l k , M o w and ... the other hand, the value of 1The syntax presented in (Evans and Gazdar, 1989a; Evans and Gazdar, 1989b) permits nodes and paths to stand as local descriptors However, these additional forms can ... templates and inheritance In Ted Briscoe, Valeria de Paiva, and Ann Copestake, editors, Inheritance, Defaults and the Lexicon, pages 13-37 Cambridge University Press, Cambridge Greville Corbett and...

Ngày tải lên: 17/03/2014, 09:20

... improvement to the Ravichandran and Hovy (2002) algorithm based on Partially Untethered Contextual Pattern Models Learning a position-based model using absolute and relative positions and sequential order ... in question and, there has been a plethora of work in the seed-based bootstrapping literature which addresses this problem (Ravichandran and Hovy, 2002; Thelen and Riloff, 2002; Mann and Yarowsky, ... “A1 p A2 q A3 ”, where p and q are and respectively, is given using the rote extractor model probability as in (Ravichandran and Hovy, 2002; Mann and Yarowsky 2005): x,y∈r...

Ngày tải lên: 17/03/2014, 22:20

... equality constraints between terms and formulas built from the atomic constraints using the standard logic operators, namely disjunction, conjunction and negation, and that a notion of validity can ... t':c' and t":c" and c is logically equivalent to d, then t:d is also a unifier Similarly if, for some variable x and term r, we can derive x=r from c, then [r/x](t:c) is also a unifier for t':c' and ... w v a r i a b l e s and p( ) which can be defined is by: and f o r c o n s t r a i n t s ( k e e p i n g in m i n d that implication and e q u i w d e n c e are just shorthands): Rewriting lrue...

Ngày tải lên: 18/03/2014, 02:20

... takes new tuples and a current state and output new tuples and a modified state and pass, prop, keep are three behavior functions that take punctuation marks and state as input and returns additional ... etc.) always return a sequence of length one and they are all nonmonotonic, and therefore blocking Continuous count and sum are monotonic and nonblocking, and thus suitable for continuous queries ... equivalent defines the two queries pUq and coalscp, the first on P and Q and the second on P only We will refer to them as the coalesce query and the until query, and observe that they are monotonic...

Ngày tải lên: 23/03/2014, 12:20

... Z-Score and ZETA® Models Background This paper discusses two of the venerable models for assessing the distress of industrial corporations These are the so-called Z-Score model (1968) and ZETA® ... sized distressed firms and is unquestionably relevant to both small and large firms Variable Selection After the initial groups are defined and firms selected, balance sheet and income statement ... of the model and in holdout sample testing Sample and Data Characteristics and Statistical Methodology Sample Characteristics Our two samples of firms consist of 53 bankrupt firms and a matched...

Ngày tải lên: 23/03/2014, 17:44

... language and translation models and on their combination with general models in order to achieve a proper balance between precision (specialized in-domain models) and recall (general out-of-domain models) ... proper cooperation between ‘EU’ and ‘WNG’ models ‘EU’ models provides recall, for instance by suggesting translation candidates for ‘bombs’ or ‘price below’ ‘WNG’ models provide precision, for ... ‘WNG’ and ‘EU+WNG’ systems FE , FW and FEW refer to the GTM (e = 1) F-measure attained by the ‘EU’, ‘WNG’ and ‘EU+WNG’ systems, respectively ‘Source’, OutE , OutW and OutEW refer to the input and...

Ngày tải lên: 23/03/2014, 18:20

... Automatic transliteration and back-transliteration by decision tree learning In Conference on Language Resources and Evaluation, pages 1135–1411 Sarvnaz Karimi, Andrew Turpin, and Falk Scholer 2006 ... transliteration In String Processing and Information Retrieval, pages 255–266 Alexandre Klementiev and Dan Roth 2006 Weakly supervised named entity transliteration and discovery from multilingual ... triple (S, T , r) ∈ A where S and T are substrings of S and T respectively The frequency of this correspondence is denoted by r A represents a set of substring alignments, and we use a per word alignment...

Ngày tải lên: 23/03/2014, 18:20

... both in human and yeast cells and leads to the loss of subunit in R sphaeroides due to instability and protein degradation In conclusion, on the basis of the yeast and bacterial models, the human ... Based on densitometry measurements (see Materials and methods) G78S and A200T contain as much subunit as the wild-type oxidase and DF94–F98 in lanes D and E contains  25% of the normal amount of ... vesicles were measured using 0.1 lM enzyme and 6.5 lM cytochrome c2+, A200T with 0.15 lM enzyme and 5.5 lM cytochrome c2+, and DF94–F98 with 0.08 lM enzyme and lM cytochrome c2+, all in 50 lM Hepes/KOH...

Ngày tải lên: 23/03/2014, 21:20

... many-tinted flowers; Then roving with the wild and wandering hours, Over earth and air and ocean’s zone, In a new birth, I dived and flew, And crept and ran, And all the secret of my essence drew Within ... HOURLY SLOPE IRRADIATION AND ILLUMINANCE Introduction Slope beam irradiance and illuminance Sky clarity indices Sky-diffuse irradiance models Slope illuminance models Radiance and luminance distributions ... solar radiation and other meteorological parameters (r) Web sites that provide solar radiation and daylight data and other related information In response to a demand from readers and reviewers...

Ngày tải lên: 24/03/2014, 14:21

... the Army’s Medical Research and Materiel Command in 1993 and involves consumers, the Department of Defense (DOD), and scientists and clinicians from both academia and industry The CDMRP cycle ... of new research findings and findings on health outcomes; and the availability of financial and other data to monitor and assess the different components of patient- and population-based health ... efforts and committee discussion time; and • participation costs such as time for learning and ensuring that participant members can stand behind their views when questioned by scientists and others...

Ngày tải lên: 29/03/2014, 13:20

... Contents I Probability Random phenomena 1.1 Mathematical models, and stochastic models : : 1.2 Events and their chances : : : : : : : : : : : : : 1.2.1 Uniform ... real-life situations? What is the computer good for? 1.1 Mathematical models, and stochastic models Every theory has its successes, and its limitations These notes are about the successes of probability ... 1.6 A lake has 200 white sh and a 100 black sh, and a nearby pond contains 20 black sh and 10 white ones No other sh live there A sh is selected at random from the lake and moved to the pond Then...

Ngày tải lên: 31/03/2014, 16:23