نتایج جستجو برای: legendre curve

تعداد نتایج: 131940  

2011
Hossein Jafari

In this paper, we develop a framework to obtain approximate numerical solutions to ordinary differential equations (ODEs) involving fractional order derivatives using Legendre wavelets approximations. The continues Legendre wavelets constructed on [0, 1] are utilized as a basis in collocation method. Illustrative examples are included to demonstrate the validity and applicability of the technique.

Journal: :علوم دامی 0
علی محمدی دانش آموخته کارشناسی ارشد، دانشگاه تبریز صادق علیجانی دانشیار، دانشگاه تبریز اکبر تقی زاده استاد، دانشگاه تبریز مهدی بهلولی دانشجوی دکتری، دانشگاه تبریز

in order to estimate the genetic parameters and comparison legendre polynomials for production traits of iranian holstein dairy cattle test-day records of first lactation cows for milk yield, fat yield, protein yield, fat percentage and protein percentage traits were used. these records collected from 2006 to 2010, by the animal breeding center of iran. the genetic parameters were estimated usi...

Journal: :Mathematics of Computation 1979

Journal: :Discrete Mathematics 2011

Journal: :Journal of the Atmospheric Sciences 1999

Journal: :Open Journal of Discrete Mathematics 2014

2011
E. A. Rawashdeh

Department of Mathematics and Sciences Dhofar University, Salalah Oman [email protected] Abstract Legendre wavelets methods are commonly used for the numerical solution of integral equations. In this paper, we apply the Legendre wavelets method to approximate the solution of fractional integro-differential equations. Numerical examples are also presented to demonstrate the validity of the method....

2011
Jie Shen

We introduce a new and efficient Chebyshev-Legendre Galerkin method for elliptic problems. The new method is based on a Legendre-Galerkin formulation, but only the Chebyshev-Gauss-Lobatto points are used in the computation. Hence, it enjoys advantages of both the LegendreGalerkin and Chebyshev-Galerkin methods.

Journal: :J. Computational Applied Mathematics 2011
Víctor Domínguez Norbert Heuer Francisco-Javier Sayas

In this paper we study the Hilbert scales defined by the associated Legendre functions for arbitrary integer values of the parameter. This problem is equivalent to study the left–definite spectral theory associated to the modified Legendre equation. We give several characterizations of the spaces as weighted Sobolev spaces and prove identities among the spaces corresponding to lower regularity ...

2008
M. Hage-Hassan

The analytic expression of the momentum representation in terms of the associated Legendre function is determined by a direct integration of Fourier transform of the wave function of coordinates using the Levi-Civita transformation and 2 2 R R → the generating function method. A new generating function for the associated Legendre functions are obtained.

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