estimation of monte carlo errors

... measurement" – Propagation of distribu‐ tions using a Monte Carlo method) is responsible to give practical guidance on the applica‐ tion of Monte Carlo simulations to the estimation of uncertainty [4] ... a number of Monte Carlo trials should be select‐ ed – step (d) Generally, the greater the number of simulation trials, the greater the conver‐ 33 34 Theory and Applications of Monte Carlo Simulations ... this range of mass of 0.1 g, with a coverage factor k = and a level of confidence of 95% The uncertainty of the mass due to the calibration of the balance constitutes another source of uncertainty...

Ngày tải lên: 16/03/2014, 12:20

... the estimation of magnetic field for saturation magnetization of the cluster with duration time of 50h The behaviors of calculated M-H curves for duration times 558 Applications of Monte Carlo ... Soc., 80, 1997, p 1181 23 Monte Carlo Simulations of Grain Growth in Metals Sven K Esche Stevens Institute of Technology USA Introduction The application of the Monte Carlo (MC) method to simulate ... these types of lattices to stop artificially A comprehensive review of the effects of 583 Monte Carlo Simulations of Grain Growth in Metals various neighborhood types on the kinetics of grain growth...

Ngày tải lên: 29/06/2014, 13:20

... importance of Monte Carlo techniques in various fields of research Shlomo Mark Negev Monte Carlo Research Center and Department of Software Engineering, SCE - Sami Shamoon College of Engineering, ... Monte- Carlo simulation is a very powerful tool for the design, optimization and the ability to evaluate the proof of concept 16 Applications of Monte Carlo Method in Science and Engineering of ... Oriols Monte- Carlo Simulation in Electron Microscopy and Spectroscopy Vladimír Starý 195 Chapter 11 Monte Carlo Simulation of SEM and SAM Images 231 Y.G Li, S.F Mao and Z.J Ding Chapter 12 Monte Carlo...

Ngày tải lên: 29/06/2014, 13:20

... is an eclectic mix of applications of Monte Carlo methods in many fields of research should not be surprising, because of the ubiquitous use of these methods in many fields of human endeavor In ... that often arises is that of the communication of the results of computer simulation experiment to other members of a community Quite often the necessary description of the technical substance of ... the number of shoppers counted during 10 minutes, then the sum of the numbers of shoppers of all stations can be a good estimation of the mean shopper number during 10 minutes! Monte Carlo sampling,...

Ngày tải lên: 29/06/2014, 13:20

... elements of the inverse of the coefficient matrix which features in equations (1) and (2) The performance of the methods was compared in terms of their Monte Carlo variances and in terms of length of ... expressions, w−1 i+p,i+p is the inverse of the diagonal element of row/column i + p of design matrix W Monte Carlo EM algorithms 451 DISCUSSION Markov chain Monte Carlo (MCMC) methods are having an ... Zs, Iσe where y is the vector of data of length n, X and Z are incidence matrices, b is a vector of fixed effects of length p, s is a vector of random sire effects of length q, I is the identity...

Ngày tải lên: 09/08/2014, 18:21

... explicit form of the multiple integral is not available, thus the Monte- Carlo method may be the only appropriate way to solve the problem In this paper application of the Monte- Carlo method to ... &dquo; 5: repeat Steps 2-4 until convergence The MLE of u2is u simply the square of the MLE of a erty of the ML method inversion of matrix cycle of iteration; due to the invariance propThe iterative ... estimates of the variance components The MonteCarlo algorithm presented in this paper first treats the random effects as fixed and then generates the marginal distribution of the data via Monte- Carlo...

Ngày tải lên: 09/08/2014, 18:22

... depending on the level of the exact PEV and the number of samples Res2 caling from the scale of Var(u) to the scale of σ g improved the approximation of the PEV and four of the 10 formulations ... this way [8-11] Approximations of the PEV using these formulations converge to the exact PEV (PEVexact) as the number of Monte Carlo samples increases, but the number of samples is generally limited ... these, and two were derived as part of this study http://www.gsejournal.org/content/41/1/23 Methods Monte Carlo sampling procedure for calculating PEV The Monte Carlo sampling procedure for calculating...

Ngày tải lên: 14/08/2014, 13:21

... Mackie TR Accurate characterization of Monte Carlo calculated electron beams for radiotherapy Med Phys 1996; 24:401-416 Ma C-M and Jiang SB Monte Carlo modeling of electron beams from medical accelerators ... example, [2-4]) A new, proprietary Monte Carlo based system, NXEGS, provides an automated alternative to traditional commissioning NXEGS is a suite of Monte Carlo applications for radiotherapy, ... attainable by clinics of modest technical and human resources, as 1) its use requires no particular knowledge of Monte Carlo and 2) commissioning requires at minimum a very small set of data that may...

Ngày tải lên: 03/11/2012, 10:05

... Journal of Science, Mathematics - Physics 23 (2007) 9-14 101 Fig.1 The confguration of the HP Ge (GMX) detector Relating to the physical dimensions of the above detector the thickness of the dead ... difference Conclusion The problem of photon self-absorption in gamma spectrometry of environmental samples has no simple solution because of the attenuation of photons depending on many various ... detector’s active part Monte- Carlo modeling allows to take into consideration all these corrections during computation In this paper, the modeling calculation of peak efficiencies of the hyperpure...

Ngày tải lên: 13/02/2014, 04:20

... evaluation of the kinetic parameters in the presence of stearate Evaluation of kinetic parameters Fig Comparison of three models for the catalytic action of plasmin in the presence of stearate ... Light attenuation of oleic acid micelles in the presence of synthetic plasmin substrate (A) Twenty microlitres of mM Spectrozyme-PL was added to 180 lL of various concentrations of oleic acid (the ... Kinetic parameters of plasmin in the presence of fatty acids The values of kp and Km were determined from the amidolytic assay of plasmin activity, according to Model I, in the presence of oleate (OA)...

Ngày tải lên: 18/02/2014, 17:20

... propose a variation of the UCT algorithm for paraphrase generation named MCPG for MonteCarlo based Paraphrase Generation The main part of the algorithm is the sampling step An episode of this step is ... an efficient generation algorithm Monte- Carlo based Paraphrase Generation UCT (Kocsis and Szepesvári, 2006) (Upper Confidence bound applied to Tree) is a Monte- Carlo planning algorithm that have ... sampling regularly after a fixed amount η of episodes Our main adaptation of the original algorithm is in the (state, action) value updating procedure Since the goal of the algorithm is to maximise a...

Ngày tải lên: 17/03/2014, 02:20

... activity of 370 MBq (10 mCi) in a disk shape (having overall diameter of mm, overall thickness of mm, active diameter of 4.2 mm, beryllium window with thickness of mm) is placed in well of the ... of Science, Mathematics - Physics 26 (2010) 43-49 47 Proccessing of the measured results and drawing of graphs are done by software of Origin The fitted equations and saturation thicknesses of ... having outer diameter of 60 mm, inner diameter of 15 mm, thickness of mm, and aluminum incident window with thickness of 0.3 mm, and a photomultiplier working at high voltage of 1300 V; Am-241 source...

Ngày tải lên: 22/03/2014, 11:20

... example, a Monte Carlo calculation of the seating patterns of the members of an audience in an auditorium may This presupposes that all uses of the Monte Carlo are for the purposes of understanding ... uit i on an intuition MONTE CARLO THEORY verification Practical results Figure 1.6: The role of Monte Carlo methods in applied science 1.1 Why is Monte Carlo? If Monte Carlo did not exist there ... MONTE CARLO Basic understanding Figure 1.2: The role of Monte Carlo methods in basic science possible, as in the example of Figure 1.1 where two people can not occupy the same seat, a Monte Carlo...

Ngày tải lên: 09/04/2014, 16:23

... phase noise estimation is acquainted with Monte Carlo methods, we devote an entire and relatively large section of this paper to the introduction of Monte Carlo methods and sequential importance ... the remainder of this paper will focus on the derivation of p(θk |r1:k ) and the ensuing computation of the integral in (8) In particular, we will investigate the use of Monte Carlo methods for ... of Monte Carlo methods for the computation of (8) Monte Carlo Framework The purpose of this section is to provide a succinct introduction to Monte Carlo techniques Section addresses the specific...

Ngày tải lên: 21/06/2014, 23:20

... in out of the 100 Monte Carlo trials, whereas the RS tracker diverged in out of 100 runs When we increased the PTCR to 8.1 dB, the divergence rates fell to out of 100 for the APF, and out of 100 ... from the estimation errors recorded in each of the 100 Monte Carlo trials, excluding the divergent realizations Our simulation results suggest that, despite the reduction in the number of particles ... then the Monte Carlo estimate, Pr({zn = 0} | y1:n ), of the posterior probability of target absence by dividing the number of particles for which ( j) zn = by the total number of particles N...

Ngày tải lên: 22/06/2014, 19:20

... the derivation of a blind detector based on a Bayesian formulation and sequential Monte Carlo (SMC) techniques for the differentially encoded OFDM system Being soft-input and soft-output in nature, ... ξξ T σk , with (14) Sequential Monte Carlo (SMC) is a family of methodologies that use Monte Carlo simulations to efficiently estimate the a posteriori distributions of the unknown states in a dynamic ... (e) WER of information bits probabilities, is developed using sequential Monte Carlo (SMC) techniques Being soft-input and soft-output in nature, the proposed SMC detector is capable of exchanging...

Ngày tải lên: 23/06/2014, 00:20

... activity of 370 MBq (10 mCi) in a disk shape (having overall diameter of mm, overall thickness of mm, active diameter of 4.2 mm, beryllium window with thickness of mm) is placed in well of the ... of Science, Mathematics - Physics 26 (2010) 43-49 47 Proccessing of the measured results and drawing of graphs are done by software of Origin The fitted equations and saturation thicknesses of ... having outer diameter of 60 mm, inner diameter of 15 mm, thickness of mm, and aluminum incident window with thickness of 0.3 mm, and a photomultiplier working at high voltage of 1300 V; Am-241 source...

Ngày tải lên: 21/07/2014, 16:21

... performed using Wellhofer IC-10 (0.1 cm3 active volume) For the measurements of small field sizes of cm × cm to cm × cm, Wellhofer IC-3 chamber (0.03 cm3 active volume) were used Monte Carlo Dose Verification ... 4:18 Results Monte Carlo Verification of Film Measurements Figure summarizes the gamma analysis of eleven of the patient plans (included the ones with the highest and lowest percentage of points ... for Monte Carlo based photon beam dose calculations Phys Med Biol 2000, 45:983-995 Siebers JV, Keall PJ, Libby B, Mohan R: Comparison of EGS4 and MCNP4b Monte Carlo codes for generation of photon...

Ngày tải lên: 09/08/2014, 09:22

... conditional expectations of random effects often involve intractable integrals and Monte Carlo methods have been used to approximate the integrals [26, 27, 43] The implementation of Monte Carlo EM becomes ... examples of allocation probabilities of BCM in trials that mimic LOTS 82 Figure 4.2 Comparison of the distributions of various re-randomization tests 90 Figure 4.3 Comparison of the ... modelling of the correlation is important to address the issue of dependent censoring of the non-terminal event by the terminal event [2-4] It also can allow modelling of the influence of the nonterminal...

Ngày tải lên: 24/08/2014, 11:40

... the course of this research project are presented in the chapters dealing with simulations of 1D and 2D systems 2.3 Determinant Quantum Monte Carlo algorithm One can think about Monte Carlo methods ... Quantum Monte Carlo (QMC) techniques are used to provide an approximation-free investigation of the phases of the one- and two-dimensional attractive Hubbard Hamiltonian in the presence of population ... temperature range Furthermore we study the case of mass imbalance between the populations We present an exact Quantum Monte Carlo study of the effect of unequal masses on pair formation in Fermionic...

Ngày tải lên: 09/09/2015, 10:13