Parabolic Acceleration Of The EM Algorithm

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Excel Euler simulation - Computational Biology

© Natal van Riel TU/e To create a plot of y versus time, select the first two columns, from the Insert tab, select a Scatter

Performance Comparison of Various Labyrinth Side Weirs

60o included angle and parabolic shape show almost same trend in variation ofcoefficient discharge. Even though the crest length of the parabolic shape is more than that of triangular shape, both cases show somewhat similar discharge coefficients, whereas the difference in C d is more in triangular shapes and semicircular shape. It can be said

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15 deg/s 2 acceleration in both axes, 30 deg/s peak azimuth velocity and 15 deg/s peak elevation velocity. The mount modifications included regearing, forced-flow oil lubrication for the gear box and servo system changes. The pedestal became operational at the Olive Branch site during the summer of 1984 with

Measurement and prediction of the performance of a Alcatel

EM gearbox. This analysis demonstrated that the following parameters were critically influencing the performance of the EM OB A under open loop control : a. Stick-slip characteristics of the gearbox at tooth passing frequency b. Stiffness of the flex-spline of th e gearbox c. Damping of the gearbox d. Cogging torque due to the stepper motor

Seismic Analysis of Structures: Stress-resultant Interaction

c2 Compressive strain transition value in the parabolic-rectangle diagram of concrete. cu2 Compressive ultimate strain transition value in the parabolic-rectangle diagram of concrete. g Strain at the section s geometrical center. ud Design ultimate strain for steel. yd Design yielding strain for steel. ˘ Viscous damping coefficient

Comparison ofWave Refraction and Diffraction Models

H== I em T - ,. S e~o s~o 15 20 25 X(m) 10 igTHg 'Pg = AeiS = e's 41T where A is the amplitude function and S is the phase func­ tion. For normally incident waves, the phase should be the same atall entrancegrid points. Forconvenience andwithout loss of generality, we may choose S = 0 for this condition. For oblique incident waves, the phase

A frequency independent method for computing the physical

have considered the PO based EM fields from the parabolic and hyperbolic quadratic surfaces, and have further adopted the numerical steepest descent path algorithm knowledge to calculate the scattered fields. The rest of this paper is organized as follows. In Section II, the PO based EM fields from the hyperbolic surface is

MODELING OF SPLIT STEP PARABOLIC WAVE EQUATION USING THE

MODELING OF SPLIT STEP PARABOLIC WAVE EQUATION USING THE GRAPHICS PROCESSING UNIT Sekmen, Selin M.S., Department of Computer Engineering Supervisor : Assoc. Prof. Dr. Tolga Can Co-Supervisor : Dr. Cevat Sener¸ September 2014, 77 pages Electromagnetic (EM) wave propagation is an important phenomenon in modeling radar or communication systems.

INSTANTANEOUS IMPACT POINT PREDICTION FOR SOUNDING ROCKETS

acceleration results in a parabolic trajectory, but in ac-tual missions the altitude variation of the central attrac-tion as well as the Earth s flattening have to be consid-ered in the modeling. Furthermore, atmospheric forces affect the flight path during the late and early phase (typically below a 40 km altitude).

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Jun 08, 2019 The ML EM algorithm (Shepp and Vardi 1982) is given by the well known formula x i.nC1/Dx i.n/ X j a ij y j y j.n/ (1) which describes the calculation of the (nC1)th approximation of voxel x i from its nth approximation and from the measured projections y j. The coefficients a ij are the contributions of the voxelsP ito the lines of response

turboEM: A Suite of Convergence Acceleration Schemes for EM

turboEM: A Suite of Convergence Acceleration Schemes for EM and MM algorithms Jennifer F. Bobb The R package turboEM implements four methods to accelerate EM and MM algorithms: SQUAREM [1], Parabolic EM [2], a quasi-Newton algorithm [3], and Dynamic ECME [4]. In the rst part of this document, we illustrate how to use turboEM to apply the acceler-

Thermal Design of Power Transformers via CFD

algorithm, whereas for transient problems, the algorithm starts at the finest grid. For the efficient solution of sparse linear equations, several algorithms are available. The parabolic momentum and heat transport equations may be solved with SIP (strongly implicit procedure) solvers that are modified to handle block couplings via the residual

Analysis of Nonlinear Missile Guidance Systems Through Linear

λ = tan−1 YeT−eM XeT−XeM (11) (3) The navigation algorithm used in the simulation is the true proportional guidance law in which the guidance commands are calculated as. N c = N′Vcλ̇ 12) Acceleration commands perpendicular to the instantaneous missile - target line of sight [3] are related to the guidance commands by

High-Performance Numerical Algorithms for Large-Scale Simulation

Chebyshev Acceleration Optimal in the sense that preconditioned matrix is close to identity No inner products § Multicoloring Graph coloring techniques Adjacent nodes have different colors Nodes of same color determined simultaneously in ILU sweeps Red-Black (Re-)Ordering Block diagonal matrices are made diagonal

Video Stabilization with a Depth Camera - Jian Sun

ate the final result. These methods are limited by their em-ployed 3D reconstruction algorithms. Though there is sig-nificant progress [14, 1] in 3D reconstruction, reconstruct-ing a general video is still difficult. Videos with zooming, quickrotation and significant movingobjects will make the reconstruction algorithm fail.

Estimation of Neural Inputs and Detection of Saccades and

mization (EM) algorithm [17], where the E-step of the EM-algorithm boils down to Kalman smoothing. In the M-step, the parameters of the unknown inputs uSPEM and uSacc are iteratively updated using first and second moments (means and variances) computed in the E-step [10], [11]. Saccade and SPEM Parameter Extraction: The estimated

Simulation Tools for High Intensity Rings

space charge algorithm in 1986. ESME now contains com-prehensive capabilities for modeling the physics relevant to the longitudinal dynamics of the beam, including, but not limited to, Energy ramps: linear, parabolic, cubic, biased sinu-soid, user defined Arbitrary phase and voltage curves, multiple RF sources, exact sinusoidal, non

Acceleration of porous media simulations on the Cray XE6 platform

The multigrid algorithm is a fast and e cient method for solving a wide class of integral and partial di erential equations. The algorithm requires a series of problems be solved (in some sense) on a hierarchy of grids with di erent mesh sizes. For many problems, it is possible to prove that its execution time is asymptotically optimal.

Abstracts - University of Bath

A new blocked sparse matrix vector product parallel algorithm based on Code Saturne native matrix format is proposed in order to improve the OpenMP scalability. New sparse matrix storage options based on the native matrix format, and corresponding algorithms, are implemented in Code Saturne. In

Video Stabilization with a Depth Camera

ate the final result. These methods are limited by their em-ployed 3D reconstruction algorithms. Though there is sig-nificant progress [14, 1] in 3D reconstruction, reconstruct-ing a general video is still difficult. Videos with zooming, quickrotation and significant movingobjects will make the reconstruction algorithm fail.

Zooming On All Actors: Automatic Focus+Context Split Screen

the kinds of acceleration patterns preferred by cinematographers. When multiple actors come close together, the system combines them into a single close-up view to avoid cutting their faces (or torso) with the frame. By adding additional constraints between the camera movements, the different camera paths merge seamlessly as c 2017 The Author(s)

IMAGE ANALYSIS AND PATTERN RECOGNITION

concolved with the Mexican hat operator, whereas the electron microscopy map was convolved with the Laplace operator as it already was at low resolution. Also, the Fourier convolution theorem is used in the context of FFT acceleration. FFT acceleration is used here in the context of the 6D rigid-body matching algorithm.

North-West University

Abstract Anomalous cosmic rays are low energy enhancements of the cosmic ray intensities that cannot be explained by standard modulation of galactic cosmic rays

Learning Motion Dynamics to Catch a Moving Object

a parabolic form for the ball trajectories and predict the velocity and acceleration of the end-effector. through Expectation-Maximization (EM) algorithm.

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method with the spectrum acceleration algorithm (GFBM/SAA)[10] and the multilevel sparse matrix canonical grid method (MSMCG).[11] In addition, we propose the parallel MOM to study the properties of EM scattering from a target above a large-scale rough surface under large incidence,[7] and EM-beam scattering from a two-dimensional rough surface

turboEM: A Suite of Convergence Acceleration Schemes for EM

turboEM: A Suite of Convergence Acceleration Schemes for EM and MM algorithms Jennifer F. Bobb and Ravi Varadhan The R package turboEM implements four methods to accelerate EM and MM algorithms: SQUAREM [1], Parabolic EM [2], a quasi-Newton algorithm [3], and Dynamic ECME [4].

Physics Simulations in Python

step algorithm. Because they are commercial products aimed at relatively narrow markets, these packages tend to be expensive. (However, there is a free product called Octave that is very similar to Matlab.) An earlier version of this manual used the Java programming language, intro-duced by Sun Microsystems (now Oracle) in 1995.

AN ULTRA-HIGH RESOLUTION PULSED-WIRE MAGNET MEASUREMENT SYSTEM

acceleration due to a magnetic field. Dispersion Correction Algorithm parabolic pole focusing assisted in

Mathematical Model for Radar in 3D Virtual Maritime

acceleration methods for ray optical models have been presented in many occasions to capture optical propagation. APLs Trophospheric Electromagnetic Parabolic Routine (TEMPER) [5]was developed with the assumption that radar and targets varies only in range dimensions. They tried to enhance computational

A Class of Stable, Globally Noniterative, Nonoverlapping

Parabolic systems are governed by time dependent partial differential equations. To obtain a high simulation quality that captures important features of a parabolic system requires solving the governing equation to an adequate accuracy, which necessitates a large sampling size in the spatial and temporal dimensions, and hence

The Split-Step-Fourier and Finite-Element­ Based Parabolic

the Forward/Backward Spectral Acceleration (FBSA) [5] tech­ the parabolic equation became popular in EM wave­ of the Fourier split-step parabolic-equation algorithm [14]. Since then, the

Analysis of Measurement Errors in Residual Gas Ionisation

beam density distributions (uniform, elliptic or parabolic). These were tracked through th e field map extracted from CST and the trajectories filtered to leave only those that entered the detector aperture. y x z y x y z a) b) (x,y,z) c (x,y,z) d Proceedings of EPAC08, Genoa, Italy TUPC109

Electromagnetic modeling, optimization and uncertainty

significant acceleration, up to a factor of fifty, in the accurate solution of general scattering problems including structures such as full electrically-large aircraft. 15.ECT TERMS SUBJ computational EM, Fourier continuation Standard Form 298 (Rev. 8/98) Prescribed by ANSI Std. Z39.18 FORM SF 298 Page 1 of 2

OPTIMAL DESIGN OF ARCH DAMS BY COMBINING PARTICLE SWARM

Q 7 Ú is the vector of the ground acceleration, and 3L Ø represents the nodal force vector associated with the hydrodynamic pressures produced by the reservoir. The structural damping in the system is usually included by a Rayleigh type of damping matrix given by [24]: % Ì LÙ $/ Ì EÚ§- Ì (10) where Ù

Video Stabilization with a Depth Camera

ate the final result. These methods are limited by their em-ployed 3D reconstruction algorithms. Though there is sig-nificant progress [14, 1] in 3D reconstruction, reconstruct-ing a general video is still difficult. Videos with zooming, quick rotation and significant moving objects will make the reconstruction algorithm fail.

Chapter 12 Polynomial Regression Models

Regression Analysis Chapter 12 Polynomial Regression Models Shalabh, IIT Kanpur 3 2. Model building strategy: A good strategy should be used to choose the order of an approximate polynomial.

Comparison of Recent Acceleration Techniques for the EM

Feb 04, 2018 EM acceleration techniques are compared in detail: quasi-Newton methods (QN), squared iterative methods (SQUAREM), and parabolic EM (PEM). These acceleration techniques are applied to marginal maximum likelihood estimation with the EM algorithm in one- and two-parameter logistic item response

Simulation of resonances and beam loss for the J-PARC Main Ring

Acceleration process is based on the constant RF voltage (210kV). Longitudinal emittance at the injection energy should be about 3eV.sec Transverse emittance of the beam, injected from RCS, depends on the acceptance of the collimator of the RCS-MR beam-line (54 π). MR collimation system has variable physical acceptance 54 ÷ 81 π.

PCI Bus Replacement for the LC/DSP FEATURES DL-PCI

PID control algorithm with velocity, acceleration, and friction feed-forward. Advanced features include electronic gearing and camming, dual-loop control, circular and linear interpolation, and trapezoidal, S-curve, parabolic, and custom motion profiles. The DL-PCI allows motion control programs to share execution between the on-board DSP and