نتایج جستجو برای: fourth kind chebyshev wavelets
تعداد نتایج: 170838 فیلتر نتایج به سال:
We study Chebyshev filter diagonalization as a tool for the computation of many interior eigenvalues of very large sparse symmetric matrices. In this technique the subspace projection onto the target space of wanted eigenvectors is approximated with high-order filter polynomials obtained from a regularized Chebyshev expansion of a window function. After a short discussion of the conceptual foun...
<p>The problem of the research is to find medical images purity, high quality and free impurities, which contributes enabling doctors obtain results analyzing health status each patient according his disease data. Therefore, it was necessary use discrete first chebysheve wavelets transform (DFCWT) technique in order remove associated impurities that appear images, then analyze for all abo...
Abstract The principal aim of the current article is to establish new formulas Chebyshev polynomials sixth-kind. Two different approaches are followed derive connection between these and some other orthogonal polynomials. coefficients expressed in terms terminating hypergeometric functions certain arguments; however, they can be reduced cases. New moment sixth-kind also established, virtue such...
In this study, we analyze the performance of a numerical scheme based on 3-scale Haar wavelets for dynamic Euler-Bernoulli equation, which is fourth order time dependent partial differential equation. This type equations governs behaviour vibrating beam and have many applications in elasticity. For its solution, first rewrite equation as system by introducing new variable, then use finite diffe...
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