نتایج جستجو برای: transitional probability

تعداد نتایج: 235833  

Lymphoepithelial - like carcinoma, is rarely recognized in the urinary bladder and less commonly occurs with papillary transitional cell carcinoma i.e. mixed pattern. Also, less uncommon is the occurrence of carcinoma in situ changes in the adjacent urothelium of these tumors. Here, a case of lymphoepithelial – like carcinoma and papillary transitional cell carcinoma associated with carci...

2008
Victor Yakhot

Small separation between reactants, not exceeding 10−8−10−7cm, is the necessary condition for various chemical reactions. It is shown that random advection and stretching by turbulence leads to formation of scalar-enriched sheets of strongly fluctuating thickness ηc. The molecular-level mixing is achieved by diffusion across these sheets (interfaces) separating the reactants. Since diffusion ti...

2010
Irina Kalashnikova

The present document describes an approach for deriving a model of the power spectral density (PSD) for the fluctuating pressure in a turbulent flow. Ultimately, a model for compressible, transitional and fully turbulent pressure fluctuation loading to calculate a random vibration pressure field on an RB/RV during reentry conditions is sought. Both a power spectral density (PSD) as well as a pr...

1978
Leigh Tesfatsion LEIGH TESFATSION

A new approach to adaptive control is proposed. The principal distinguishing feature is the direct estimation and updating of the criterion function by means of a filtering operation on a vector of transitional pseudo-return functions. The data storage and computational problems often associated with explicit probability distrib ution updating via Bayes’ rule are thus avoided. Convergence prope...

Journal: :The Journal of chemical physics 2012
Panagiotis Angelikopoulos Costas Papadimitriou Petros Koumoutsakos

We present a Bayesian probabilistic framework for quantifying and propagating the uncertainties in the parameters of force fields employed in molecular dynamics (MD) simulations. We propose a highly parallel implementation of the transitional Markov chain Monte Carlo for populating the posterior probability distribution of the MD force-field parameters. Efficient scheduling algorithms are propo...

2010
Bengt J. Borgstrom Per Henrik Borgström Abeer Alwan

In this paper, we present efficient HMM-based techniques for estimating missing features. By assuming speech features to be observations of hidden Markov processes, we derive a minimum mean-square error (MMSE) solution. We increase the computational efficiency of HMM-based methods by downsampling underlyingMarkov models, and by enforcing symmetry in transitional probability matrices. When appli...

Journal: :Numerische Mathematik 2009
Fang Fang Cornelis W. Oosterlee

We present a pricing method based on Fourier-cosine expansions for early-exercise and discretely-monitored barrier options. The method works well for exponential Lévy asset price models. The error convergence is exponential for processes characterized by very smooth (C[a, b] ∈ R) transitional probability density functions. The computational complexity is O((M − 1)N logN) with N a (small) number...

Journal: :Quarterly journal of experimental psychology 2010
Hsueh-Cheng Wang Marc Pomplun Minglei Chen Hwawei Ko Keith Rayner

Latent semantic analysis (LSA) and transitional probability (TP), two computational methods used to reflect lexical semantic representation from large text corpora, were employed to examine the effects of word predictability on Chinese reading. Participants' eye movements were monitored, and the influence of word complexity (number of strokes), word frequency, and word predictability on differe...

1994
Xue Wang

Durational behaviour of the HivfM is 111vestigmed in terms of an analy tical probability density function oi the whole phone model for arbitrary transitional topologies, given by lhe 1ransition pro1,;.bilitie<= oi A-parameters. Linear l(lpol0gy i� used as an example. Based on such an analysis, the durational behaviour is manipulated by modifying Lhc A­ paramcters in a procedure embedded in the ...

2007
Vera Demberg

We tested the predictions of Dependency Locality Theory (DLT), a theory of linguistic processing complexity, against reading time data extracted from a large eye-tracking corpus. DLT predicts differences in processing complexity for subject and object relative clauses. We found elevated reading times on two distinct regions of these relative clauses, in line with the complexity effects predicte...

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