نتایج جستجو برای: روش تکراری hss
تعداد نتایج: 372074 فیلتر نتایج به سال:
BACKGROUND Hepatopulmonary syndrome (HPS) is defined as an oxygenation defect induced by intrapulmonary vasodilation in patients with liver disease or portal hypertension. It is investigated in patients with liver cirrhosis and less frequently in those with portal hypertension without liver cirrhosis, as may occur in hepatosplenic schistosomiasis (HSS). OBJECTIVES To investigate the prevalenc...
The Hermitian and skew-Hermitian splitting (HSS) method is an unconditionally convergent iteration method for solving large sparse non-Hermitian positive definite system of linear equations. By making use of the HSS iteration as the inner solver for the Newton method, we establish a class of Newton-HSS methods for solving large sparse systems of nonlinear equations with positive definite Jacobi...
Peter Sokol-Hessner, Colin F. Camerer, and Elizabeth A. Phelps Division of the Humanities and Social Sciences (HSS), California Institute of Technology, Division of the Humanities and Social Sciences (HSS) and Computational and Neural Systems (CNS), California Institute of Technology, 1200 E. California Blvd., Pasadena, CA 91125, USA, and Department of Psychology, New York University, 6 Washing...
As a pharmacy service giving pharmaceutical care at different levels of health care for elderly people, we needed a standardization procedure for recording and evaluating pharmacists' interventions. Our objective was to homogenize pharmacist interventions; to know physicians' acceptance of our recommendations, as well as the most prevalent drug related problems (DRP); and the impact of the phar...
AIMS To examine the effect of a single dose of human synthetic secretin (HSS) on behaviour and communication in children with autism spectrum disorder (ASD) using an objective measure of communication and social reciprocity and standardised rating scales. METHODS Randomised, crossover, double blind, and placebo controlled trial of a single intravenous dose of human synthetic secretin (HSS) 2 ...
In this paper, we propose a structured bisection method with adaptive randomized sampling for finding selected or all of the eigenvalues of certain real symmetric matrices A. For A with a low-rank property, we construct a hierarchically semiseparable (HSS) approximation and show how to quickly evaluate and update its inertia in the bisection method. Unlike some existing randomized HSS construct...
Using fMRI, neural substrates of the executive system were investigated with respect to differences in working memory capacity. To explore the executive control processes, reading span test (RST) and read conditions were performed. Two subject groups were selected: those with large working memory capacities, labeled high-span subjects (HSS) according to the reading span test, and those with sma...
Aims: To examine the effect of a single dose of human synthetic secretin (HSS) on behaviour and communication in children with autism spectrum disorder (ASD) using an objective measure of communication and social reciprocity and standardised rating scales. Methods: Randomised, crossover, double blind, and placebo controlled trial of a single intravenous dose of human synthetic secretin (HSS) 2 ...
OBJECTIVE We wanted to compare the transaxial source images with the optimized three plane, thin-slab maximum intensity projection (MIP) images from electrocardiographic (ECG)-gated cardiac CT for their ability to detect hemodynamically significant stenosis (HSS), and we did this by means of performing a receiver operating characteristic (ROC) analysis. MATERIALS AND METHODS Twenty-eight pati...
در این پایان نامه حل دستگاه خطی ax=b را در نظر می گیریم که در آن a یک ماتریس نامنفرد معلوم، b یک بردار معلوم و x یک بردار مجهول می باشند. در سال های اخیر، به منظور بهبود سرعت همگرایی طرح های تکراری کلاسیک (ژاکوبی، گاوس- سایدل)، مقالات بسیاری به تغییرات و اصلاحات رده ای از پیش شرط ها برای دستگاه هایی اختصاص داده شده اند که ماتریس ضرایب آن ها یک m- ماتریس یا یک h- ماتریس می باشند. در این پایان نا...
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