نتایج جستجو برای: auxiliary inversion

تعداد نتایج: 65575  

2012
Kemal Dinçer Dingeç Wolfgang Hörmann

We present a general control variate method for Monte Carlo estimation of the expectations of the functionals of Lévy processes. It is based on fast numerical inversion of the cumulative distribution functions and exploits the strong correlation between the increments of the original process and Brownian motion. In the suggested control variate framework, a similar functional of Brownian motion...

Journal: :Nano letters 2015
Wenjie Yao Shang Liu Huimin Liao Zhi Li Chengwei Sun Jianjun Chen Qihuang Gong

Directional light scattering is important in basic research and real applications. This area has been successfully downscaled to wavelength and subwavelength scales with the development of optical antennas, especially single-element nanoantennas. Here, by adding an auxiliary resonant structure to a single-element plasmonic nanoantenna, we show that the highly efficient lowest-order antenna mode...

Journal: :Computational Statistics & Data Analysis 2014
Clément Chevalier Victor Picheny David Ginsbourger

Several strategies relying on kriging have recently been proposed for adaptively estimating contour lines and excursion sets of functions under severely limited evaluation budget. The recently released R package KrigInv3 is presented and offers a sound implementation of various sampling criteria for those kinds of inverse problems. KrigInv is based on the DiceKriging package, and thus benefits ...

Journal: :Journal of bacteriology 2003
Hyuk Kyu Seoh Michelle Weech Ning Zhang Catherine L Squires

Transcription antitermination in the rRNA operons of Escherichia coli requires a unique nucleic acid sequence that serves as a signal for modification of the elongating RNA polymerase, making it resistant to Rho-dependent termination. We examined the antitermination ability of RNA polymerase elongation complexes that had initiated at three different heat shock promoters, dnaK, groE, and clpB, a...

2007
Marc Van Barel

In this paper, a so-called auxiliary matrix polynomial Xn(z) and a true right formal orthogonal matrix polynomial (FOMP) A 1 n (z) is connected to each well-conditioned leading principal block submatrix of a given block Toeplitz matrix. From these two matrix polynomi-als, all other right FOMPs of block n of a system of block biorthogonal matrix polynomials with respect to the block Toeplitz mom...

Journal: :Cognitive science 2008
Xuân-Nga Cao Kam Iglika Stoyneshka Lidiya Tornyova Janet D. Fodor William G. Sakas

Recent challenges to Chomsky's poverty of the stimulus thesis for language acquisition suggest that children's primary data may carry "indirect evidence" about linguistic constructions despite containing no instances of them. Indirect evidence is claimed to suffice for grammar acquisition, without need for innate knowledge. This article reports experiments based on those of Reali and Christians...

2011
Alie El-Din Mady Gregory M. Provan Conor Ryan Kenneth N. Brown

The aim of a modern Building Automation System (BAS) is to enhance interactive control strategies for energy efficiency and user comfort. In this context, we develop a novel control algorithm that uses a stochastic building occupancy model to improve mean energy efficiency while minimizing expected discomfort. We compare by simulation our Stochastic Model Predictive Control (SMPC) strategy to t...

1998
Priscilla van Grevenhof Judith L. Wagner James M. Naessens Charles H. Darby Jill M. Killian Eva R. Helgeson Roger Evans

A ooIIaboIation of reseaJdlers at 1he Mayo Medical Center and Olmsted MedIcal Center created a BAS"' daIa warehousa of deIaIed billing dais. This ur1que warehouse conIains billing daIa for most of 0ImsIed Coun\y from 198710 present The chaIenge for 1he developels was 10 create a warehouse of all hisIcricaI data from five different institutions 1hat was stored on a variety of different pIatfonns...

Journal: :iranian journal of oil & gas science and technology 2014
hamid reza ansari reza motafakkerfard mohammad ali riahi

seismic inversion is a method that extracts acoustic impedance data from the seismic traces. sourcewavelets are band-limited, and thus seismic traces do not contain low and high frequency information.therefore, there is a serious problem when the deterministic seismic inversion is applied to real dataand the result of deterministic inversion is smooth. low frequency component is obtained from w...

F. Ashrafzadeh, M. Faraji

Oculo-auriculovertebral dysplasia (Goldenhar) is a congenital syndrome. Its phenotype differs from craniofacial anomalies to cardiac, vertebral or central nervous system defects. This syndrome is rare and its etiology is not apparent yet. Pericentric inversion of chromosome 9 is one of the most common structural balanced chromosomal aberrations with its incidences 15% to 25%. Herein we present ...

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