Search Results - "Yousefi, SA"

A numerical technique for solving fractional optimal control problems by Lotfi, A., Dehghan, Mehdi, Yousefi, S.A.

“…This paper presents a numerical method for solving a class of fractional optimal control problems (FOCPs). The fractional derivative in these problems is in…”
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A numerical technique for solving a class of fractional variational problems by Lotfi, A., Yousefi, S.A.

“…This paper presents a numerical method for solving a class of fractional variational problems (FVPs) with multiple dependent variables, multi order fractional…”
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The use of a Legendre multiwavelet collocation method for solving the fractional optimal control problems by Yousefi, SA, Lotfi, A, Dehghan, M

“…In this article the Legendre multiwavelet basis with the aid of a collocation method has been applied to give the approximate solution for the fractional…”
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A numerical method for solving a nonlinear 2-D optimal control problem with the classical diffusion equation by Mamehrashi, K., Yousefi, S.A.

“…This paper presents a numerical solution for solving a nonlinear 2-D optimal control problem (2DOP). The performance index of a nonlinear 2DOP is described…”
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Application of Legendre wavelets for solving fractional differential equations by Jafari, H., Yousefi, S.A., Firoozjaee, M.A., Momani, S., Khalique, C.M.

“…In this paper, we develop a framework to obtain approximate numerical solutions to ordinary differential equations (ODEs) involving fractional order…”
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The operational matrices of Bernstein polynomials for solving the parabolic equation subject to specification of the mass by Yousefi, S.A., Behroozifar, M., Dehghan, Mehdi

“…Some physical problems in science and engineering are modelled by the parabolic partial differential equations with nonlocal boundary specifications. In this…”
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Numerical solution of the nonlinear age-structured population models by using the operational matrices of Bernstein polynomials by Yousefi, S.A., Behroozifar, M., Dehghan, Mehdi

“…In this paper a numerical method for solving the nonlinear age-structured population models is presented which is based on Bernstein polynomials approximation…”
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Generalized Euler–Lagrange equations for fractional variational problems with free boundary conditions by Yousefi, S.A., Dehghan, Mehdi, Lotfi, A.

“…In this article we are going to present necessary conditions which must be satisfied to make the fractional variational problems (FVPs) with completely free…”
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Determination of a time-dependent diffusivity from nonlocal conditions by Lesnic, D., Yousefi, S. A., Ivanchov, M.

“…The inverse problem of determining the temperature and the time-dependent thermal diffusivity from various additional nonlocal information is investigated…”
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The use of He's variational iteration method for solving variational problems by Yousefi, S. A., Dehghan, Mehdi

“…In this paper, the variational iteration method is implemented to give approximate solution of the Euler-Lagrange, Euler-Poisson and Euler-Ostrogradsky…”
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Finding the optimal control of linear systems via He's variational iteration method by Yousefi, S. A., Dehghan, Mehdi, Lotfi, A.

“…In this article, He's variational iteration method has been applied to find the optimal control of linear systems, approximately. Numerical results are given…”
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B-polynomial multiwavelets approach for the solution of Abel's integral equation by Yousefi, S. A.

“…A numerical method for solving Abel's integral equation as singular Volterra integral equations is presented. The method is based upon Bernstein polynomial…”
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The linear Legendre mother wavelets operational matrix of integration and its application by Khellat, F., Yousefi, S.A.

“…The linear Legendre mother wavelets operational matrix of integration P is derived. A general procedure of forming this matrix P is given. This matrix P can be…”
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Ritz-Galerkin method with Bernstein polynomial basis for finding the product solution form of heat equation with non-classic boundary conditions by Yousefi, S.A, Barikbin, Zahra, Dehghan, Mehdi

“…Purpose - The purpose of this paper is to implement the Ritz-Galerkin method in Bernstein polynomial basis to give approximation solution of a parabolic…”
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Detection of Brucella by Peripheral Blood PCR and Comparison with Culture and Serological Methods in Suspected Cases by B Kazemi, SA Yousefi Namin, M Bandepour, F Kafilzadeh, L Gachkar, F Mahmoudinejad, A Samarghandi, M Mardani

“…"nBackground: Brucellosis is a zoonotic disease and its symptoms and appearances are not exclusive in human and its tradi­tional diagnosis is based on…”
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Detection of Brucella by Peripheral Blood PCR and Comparison with Culture and Serological Methods in Suspected Cases by B Kazemi, SA Yousefi Namin, M Bandepour, F Kafilzadeh, L Gachkar, F Mahmoudinejad, A Samarghandi, M Mardani

“…Background: Brucellosis is a zoonotic disease and its symptoms and appearances are not exclusive in human and its tradi­tional diagnosis is based on blood…”
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