نتایج جستجو برای: روش mlm

تعداد نتایج: 370039  

2008
A. J. Quiroz J. M. Tapia

The theory of the goodness of fit procedures for multivariate normality based on spherical harmonics, introduced in [6], is extended to cover the context of the multivariate linear model (MLM). The limiting distribution of the statistics considered does depend on the distribution of the covariates in the MLM, and our results provide a complete description of the manner in which the covariate di...

2009
Shu-Ming Chang

A chaotic orbit generated by a nonlinear system is irregular, aperiodic, unpredictable and has sensitive dependence on initial conditions. However, the chaotic trajectory is still not well enough to be a crypto system in digital secure communication. Therefore, we propose a Modified Logistic Map (MLM) and give a theoretical proof to show that the MLM is a chaotic map according to Devaney’s defi...

Journal: :Archives of Acoustics 2023

An efficiency of the nonsingular meshless method (MLM) was analyzed in an acoustic indoor problem. The solution assumed form series radial bases functions (RBFs). Three representative kinds RBF were chosen: Hardy’s multiquadratic, inverse Duchon’s functions. room field with uniform, impedance walls considered. To achieve goal, relationships among physical parameters problem and approximate firs...

2017
David J Browning Omar S Punjabi Chong Lee

PURPOSE To determine the relationship between different spectral domain optical coherence tomography (SD-OCT) signs of retinal ischemia in acute central retinal vein occlusion (CRVO) and whether they predict anterior segment neovascularization (ASNV). DESIGN Retrospective, observational study. SUBJECTS Thirty-nine consecutive patients with acute CRVO and 12 months of follow-up. METHODS We...

Journal: :AMIA ... Annual Symposium proceedings. AMIA Symposium 2011
James J Cimino Lincoln Farnum Gary E DiPatrizio Barry R Goldspiel

OBJECTIVE To develop a general method for using the alerting function of an electronic health record (EHR) system to warn prescribers when a drug order may be in conflict with the restrictions of a patient's research protocol. METHODS We examined a sample of clinical research protocols at the National Institutes of Health (NIH) to identify the frequency with which drugs were excluded by proto...

2003
Ya-Ning Chen Shu-Jiun Chen Simon C. Lin

Metadata is an emerging approach to organizing digital collections in order to enhance retrieval, preservation, and interoperability. The various issues confronting digital library projects that aspire to adopt metadata create the need for a systematic methodology. The Metadata Lifecycle Model (MLM), proposed in this paper, consists of ten steps: 1) acquiring basic metadata needs, 2) assessment...

Journal: :Journal of neurosurgery 2006
Vijayabalan Balasingam Gregory J Anderson Neil D Gross Cheng-Mao Cheng Akio Noguchi Aclan Dogan Sean O McMenomey Johnny B Delashaw Peter E Andersen

OBJECT The authors conducted a cadaveric anatomical study to quantify and compare the area of surgical exposure and the freedom available for instrument manipulation provided by the following four surgical approaches to the extracranial periclival region: simple transoral (STO), transoral with a palate split (TOPS), Le Fort I osteotomy (LFO), and median labioglossomandibulotomy (MLM). METHODS...

Journal: :Open Mathematics 2022

Abstract In this article, we analyze the convergence rate of modified Levenberg-Marquardt (MLM) method under Hölderian local error bound condition and continuity Jacobian, which are more general than Lipschitz Jacobian. Under special circumstances, MLM coincides with results presented by Fan. A globally convergent algorithm trust region technique will also be given.

2017
Christopher Partridge Sergio de Cesare Andrew Mitchell Frederik Gailly Mesbah Khan

One of the central concerns of the multi-level modelling (MLM) community is the hierarchy of classifications that appear in conceptual models; what these are, how they are linked and how they should be organised into levels and modelled. Though there has been significant work done in this area, we believe that it could be enhanced by introducing a systematic way to investigate the ontological n...

Journal: :Journal of the Optical Society of America. A, Optics, image science, and vision 1997
D H Brainard W T Freeman

The problem of color constancy may be solved if we can recover the physical properties of illuminants and surfaces from photosensor responses. We consider this problem within the framework of Bayesian decision theory. First, we model the relation among illuminants, surfaces, and photosensor responses. Second, we construct prior distributions that describe the probability that particular illumin...

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