نتایج جستجو برای: gauss quadrature integration method

تعداد نتایج: 1834041  

Journal: :IET Communications 2008
Oludare Sokoya Hong-Jun Xu Fambirai Takawira

The performance analysis of high rate space–time trellis-coded modulation (HR-STTCM) using the Gauss–Chebyshev quadrature technique is presented. HR-STTCM is an example of space– time codes that combine the idea used in trellis coded modulation (TCM) design that is signal set expansion and set partitioning into its construction. HR-STTCM construction is based on the concatenation of an outer TC...

1995
Reid Gershbein

Computing energy transfer between objects is the most expensive operation in radiosity systems. This energy transfer operation, known as the irradiance operator, is an integral that, in general, must be calculated numerically. We perform a study of numerical integration techniques to increase the speed of this computation without severely compromising fidelity. A theoretical discussion of numer...

Journal: :SIAM J. Numerical Analysis 2014
Miroslav S. Pranic Lothar Reichel

The existence of (standard) Gauss quadrature rules with respect to a nonnegative measure dμ with support on the real axis easily can be shown with the aid of orthogonal polynomials with respect to this measure. Efficient algorithms for computing the nodes and weights of an n-point Gauss rule use the n × n symmetric tridiagonal matrix determined by the recursion coefficients for the first n orth...

Journal: :Journal of Computational and Applied Mathematics 2015

Journal: :Journal of Computational and Applied Mathematics 2005

د. میرزایی ل. هوشنگیان

This paper gives an ecient numerical method for solving the nonlinear systemof Volterra-Fredholm integral equations. A Legendre-spectral method based onthe Legendre integration Gauss points and Lagrange interpolation is proposedto convert the nonlinear integral equations to a nonlinear system of equationswhere the solution leads to the values of unknown functions at collocationpoints.

Journal: :IEEE Trans. Communications 1986
Mohsen Kavehrad Myrlene Joseph

The maximum entropy criterion for estimating an unknown probability density function from its moments is applied to the evaluation of the average error probability in digital communications. Accurate averages are obtained, even when a few moments are available. The method is stable and results compare well with those from the powerful and widely used Gauss quadrature rules (GQR) method. For tes...

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