نتایج جستجو برای: parabolic and trapezoidal

تعداد نتایج: 16834086  

2002
D. S. Jangamashetti P. C. Pandey

Sensorineural hearing loss is associated with increased temporal masking of low energy sub-segments of speech by adjacent high energy segments, resulting in increased consonant confusion. Splitting the speech into segments and presenting the alternate segments to the two ears, may help in reducing the effect of increased temporal masking in cases of moderate bilateral loss. A method of inter-au...

Journal: :Applied Mathematics and Computation 2006
Avram Sidi

Class Sm variable transformations with integer m for finite-range integrals were introduced by the author about a decade ago. These transformations ‘‘periodize’’ the integrand functions in a way that enables the trapezoidal rule to achieve very high accuracy, especially with even m. In a recent work by the author, these transformations were extended to arbitrary real m, and their role in improv...

Kinetics and selected variables (temperature, particle size and time) for extraction of Terminalia Catappa L Kernel Oil (TCKO) were investigated using solvent extraction. Kinetic models studied were: parabolic diffusion, power law, hyperbolic, Elovich and pseudo-second-order. In ascending order, the best-fitted models at the optimum temperature and oil yield were Elovich’s model, hyperbolic...

2008
Terry L. Mashtare Alan D. Hutson

We propose a novel SAS macro to utilize PROC NLMIXED in SAS to estimate the standard error for AUC when the AUC estimator is based on the trapezoidal rule. Our method accounts for the trapezoidal region-by-region correlation structure. An example is provided for the standard error of the AUC under the ROC curve.

Journal: :Kardiologia polska 2014
Dragos Cozma Caius Glad Streian Lucian Petrescu Cristian Mornos

BACKGROUND Premature ventricular contractions (PVCs) may cause subtle changes in left atrium (LA) structure and function which may not be readily detected by conventional parameters. AIM To explore the relationship between PVCs and LA shape and size remodelling in patients without known structural heart disease. METHODS PVC frequency per 24 h was divided into tertiles. Echocardiographic mea...

2006
L. N. TREFETHEN J. A. C. WEIDEMAN T. SCHMELZER

Many computational problems can be solved with the aid of contour integrals containing e in the integrand: examples include inverse Laplace transforms, special functions, functions of matrices and operators, parabolic PDEs, and reaction-diffusion equations. One approach to the numerical quadrature of such integrals is to apply the trapezoid rule on a Hankel contour defined by a suitable change ...

Journal: :Entropy 2016
Fatih Selimefendigil Hakan F. Öztop Nidal Abu Hamdeh

In this article, entropy generation due to natural convection in entrapped trapezoidal cavities filled with nanofluid under the influence of magnetic field was numerically investigated. The upper (lower) enclosure is filled with CuO-water (Al2O3-water) nanofluid. The top and bottom horizontal walls of the trapezoidal enclosures are maintained at constant hot temperature while other inclined wal...

2011
Bernardino Marcos Lorena Bouzas J. Carlos Tutor

OBJECTIVES Gastrointestinal side-effects caused by mycophenolic acid (MPA) are frequent in liver transplant recipients, and in these cases a switch from two to three daily doses is usually recommended. However, a limited sampling strategy for the estimation of MPA area under the curve from 0 to 8 hours (AUC(0-8h)) has not been made. DESIGN AND METHODS In 22 liver transplant patients who were ...

2014
Salim Rezvani S. REZVANI

In this paper, we want to represent a method for ranking of two exponential trapezoidal fuzzy numbers. In this study a new Cardinality between exponential trapezoidal fuzzy numbers is proposed. Cardinality in this method is relatively simple and easier in computation and ranks various types of exponential fuzzy numbers. For the validation the results of the proposed approach are compared with d...

2016
Said Broumi

In this study, we propose an approach to determine the shortest path length between a pair of specified nodes s and t on a network whose edge weights are represented by trapezoidal neutrosophic numbers. Finally, an illustrative example is provided to show the applicability and effectiveness of the proposed approach. Keywords—trapezoidal fuzzy neutrosophic sets; score function; Shortest path pro...

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