Browsing Yayın Koleksiyonu by Issue Date
Now showing items 1-20 of 290
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A symbolic algorithm for exact power series solutions of nth order linear homogeneous differential equations with polynomial coefficients near an ordinary point
(ELSEVIER SCIENCE INC, 2006)We developed an algorithm in Kiymaz and Mirasyedioglu [O. Kiymaz and 5. Mirasyedioglu, An algorithmic approach to exact power series solutions of second order linear homogeneous differential equations with polynomial ... -
Solutions for a class of iterated singular equations
(SPRINGER INDIA, 2007)Some fundamental solutions of radial type for a class of iterated elliptic singular equations including the iterated Euler equation are given. -
Effects of computer algebra systems on attitutes towards mathematics [Bi•lgi•sayar cebi•ri• si•stemleri•ni•n matemati•ge yöneli•k tutuma etki•si•]
(2008)The aim of this study is to examine the effect of Maple software which is a Computer Algebra System, on attitudes towards mathematics. In this research; research group which consist of 47 freshmen students, are selected ... -
Fuzzy Robust Regressıon Analysıs Based On The Rankıng Of Fuzzy Sets
(WORLD SCIENTIFIC PUBL CO PTE LTD, 2008)Since fuzzy linear regression was introduced by Tanaka et al., fuzzy regression analysis has been widely studied and applied invarious areas. Diamond proposed the fuzzy least squares method to eliminate disadvantages in ... -
Hypotheses testing for fuzzy robust regression parameters
(PERGAMON-ELSEVIER SCIENCE LTD, 2009)The classical least squares (LS) method is widely used in regression analysis because computing its estimate is easy and traditional. However, LS estimators are very sensitive to outliers and to other deviations from basic ... -
Harmonic curvatures and generalized helices in E-n
(PERGAMON-ELSEVIER SCIENCE LTD, 2009)In n-dimensional Euclidean space E-n, harmonic curvatures of a non-degenerate curve defined by Ozdamar and Haci-salihoglu [Ozdamar E, Hacisalihoglu HH. A characterization of Inclined curves in Euclidean n-space. Comm Fac ... -
Boundedness of the Maximal, Potential and Singular Operators in the Generalized Morrey Spaces
(SPRINGER, 2009)We consider generalized Morrey spaces Mp,w (R(n)) with a general function. w(x, r) defining the Morrey- type norm. We find the conditions on the pair (w(1), w(2)) which ensures the boundedness of the maximal operator and ... -
An algorithm for solving initial value problems using laplace adomian decomposition method
(2009)In this paper, we present a symbolic algorithm for solving a class of nth order linear or nonlinear ordinary differential equations with initial conditions. This algorithm is based on Laplace Adomian Decomposition Method ... -
Neural networks approach for determining total claim amounts in insurance
(ELSEVIER SCIENCE BV, 2009)In this study, we present an approach based on neural networks, as an alternative to the ordinary least squares method, to describe the relation between the dependent and independent variables. It has been suggested to ... -
A bound on the spectral radius of a weighted graph
(2009)Let G be simple, connected weighted graphs, where the edge weights are positive definite matrices. In this paper, we will give an upper bound on the spectral radius of the adjacency matrix for a graph G and characterize ... -
Non-self-adjoint boundary-value problem with discontinuous density function
(JOHN WILEY & SONS LTD, 2010)We determine spectrum and principal functions of the non-self-adjoint differential operator corresponding to 1-D non-self-adjoint Schrodinger equation with discontinuous density function, provide some sufficient conditions ... -
Boundedness of the maximal, potential and singular operators in the generalized variable exponent Morrey spaces
(2010)We consider generalized Morrey spaces M p(·),?(?) with variable exponent p(x) and a general function ?(x,r) defining the Morrey-type norm. In case of bounded sets ? ? Rn we prove the boundedness of the Hardy-Littlewood ... -
Boundedness of maximal, potential type, and singular integral operators in the generalized variable exponent Morrey type spaces
(2010)We consider generalized Morrey type spaces Mp(·), ?(·), ?(·) (?)with variable exponents p(x), ?(r) and a general function ?(x, r) defining a Morrey type norm. In the case of bounded sets ? ? Rn, we prove the boundedness ... -
(L-p, L-q) Boundedness of the fractional maximal operator associated with the Dunkl operator on the real line
(TAYLOR & FRANCIS LTD, 2010)On the real line, the Dunkl operators are differential-difference operators associated with the reflection group Z(2) on R. In this paper, we obtain necessary and sufficient conditions on the parameters for the boundedness ... -
Characterizations of slant helices in Euclidean 3-space
(SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2010)In this paper we investigate the relations between a general helix and a slant helix. Moreover, we obtain some differential equations which they are characterizations for a. space curve to be a slant helix. Also, we obtain ... -
Some solutions for a class of singular equations of even order
(2010)We obtain all solutions which depend only on r for a class of iterated elliptic or ultrahyperbolic partial differential equations of even order with singular coefficient. Here, the essential operators include Laplace, wave, ... -
The solutions of fractional PDE's with alternative variational iteration method
(2010)In [Z. Odibat, A study on the convergence of variational iteration method, Math, and Comput. Model, 51, No-s: 9-10 (2010), 1181-1192], Odibat proposed an alternative approach of variational iteration method (VIM). In this ... -
Boundedness Of The Maxımal, Potentıal And Sıngular Operators In The Generalızed Varıable Exponent Morrey Spaces
(MATEMATISK INST, 2010)We consider generalized Morrey spaces M(P(.),omega)(Omega) with variable exponent p(x) and a general function omega(x, r) defining the Money-type norm. In case of bounded sets Omega subset of R(n) we prove the boundedness ... -
The boundedness of the generalized anisotropic potentials with rough kernels in the Lorentz spaces
(TAYLOR & FRANCIS LTD, 2011)In this paper, we study the generalized anisotropic potential integral K(alpha,gamma) circle times f and anisotropic fractional integral I(Omega,alpha,gamma) f with rough kernels, associated with the Laplace-Bessel ... -
Necessary and sufficient conditions for the boundedness of the Riesz potential in modified morrey spaces
(Element D.O.O., 2011)We prove that the fractional maximal operator M? and the Riesz potential operator I?, 0 < ? < n are bounded from the modified Morrey space L˜1,? (R{double-struck}n) to the weak modified Morrey space WL˜q,? ...
