Search Results - "Machado, J. A. T"

On distinctive solitons type solutions for some important nonlinear Schrödinger equations by Osman, M. S., Machado, J. A. T, Baleanu, D., Zafar, A., Raheel, M.

“…The extended Jacobi elliptic function expansion (EJEFE) method is used to retrieve several types of optical solitons of two nonlinear Schrödinger equations,…”
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Measuring the Brazilian ethanol and gasoline market efficiency using DFA-Hurst and fractal dimension by David, S.A., Inácio, C.M.C., Quintino, D.D., Machado, J.A.T.

“…The ethanol and petroleum represent important energy commodities. Brazil is one of the world's largest producers of ethanol and became one of the ten largest…”
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Traveling wave solutions to nonlinear directional couplers by modified Kudryashov method by Srivastava, H M, Baleanu, D, Machado, J A T, Osman, M S, Rezazadeh, H, Arshed, S, Günerhan, H

“…This work finds several new traveling wave solutions for nonlinear directional couplers with optical metamaterials by means of the modified Kudryashov method…”
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New nonautonomous combined multi-wave solutions for (2+1)-dimensional variable coefficients KdV equation by Osman, M. S., Machado, J. A. T.

“…A variety of new types of nonautonomous combined multi-wave solutions of the ( 2 + 1 )-dimensional variable coefficients KdV equation is derived by means of…”
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New complex waves in nonlinear optics based on the complex Ginzburg-Landau equation with Kerr law nonlinearity by Osman, M. S., Ghanbari, Behzad, Machado, J. A. T.

“… A variety of new complex waves representing solutions of the complex Ginzburg-Landau equation with Kerr law nonlinearity is investigated. Two different…”
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On nonautonomous complex wave solutions described by the coupled Schrödinger–Boussinesq equation with variable-coefficients by Osman, M. S., Machado, J. A. T., Baleanu, Dumitru

“…This paper investigates the coupled Schrödinger–Boussinesq equation with variable-coefficients using the unified method. New nonautonomous complex wave…”
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Partial chaos suppression in a fractional order macroeconomic model by David, S.A., Machado, J.A.T., Quintino, D.D., Balthazar, J.M.

“…This work investigates the possibility of suppressing chaos in a fractional-nonlinear macroeconomic dynamic model. The system generalizes a model recently…”
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Fractional and fractal processes applied to cryptocurrencies price series by David, S.A., Inacio Jr, C.M.C., Nunes, R., Machado, J.A.T.

“…[Display omitted] •The dynamics of the cryptocurrencies is analyzed.•Several tools for investigating the dynamic behavior of the cryptocurrencies are…”
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Control of a 6-DOF Parallel Manipulator through a Mechatronic Approach by Rosario, J.M., Dumur, D., Machado, J.A.T.

“…This paper shows that a hierarchical architecture, distributing several control actions in growing levels of complexity and using resources of reconfigurable…”
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Fractional Order Control of a Hexapod Robot by Silva, Manuel F., Machado, J. A. T., Lopes, A. M.

“…This paper studies the performance of integer and fractional order controllers in a hexapod robot with joints at the legs having viscous friction and…”
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The dynamical behavior of mixed-type soliton solutions described by (2+1)-dimensional Bogoyavlensky–Konopelchenko equation with variable coefficients by Osman, M. S., Machado, J. A. T.

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The role of fractional calculus in modeling biological phenomena: A review by Ionescu, C., Lopes, A., Copot, D., Machado, J.A.T., Bates, J.H.T.

“…•An up to date review with the latest scientific results of fractional calculus in both science and engineering fields.•The use of fractional calculus in…”
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An integro quadratic spline approach for a class of variable-order fractional initial value problems by Moghaddam, B.P., Machado, J.A.T., Behforooz, H.

“…This paper develops a technique for the approximate solution of a class of variable-order fractional differential equations useful in the area of fluid…”
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A stable three-level explicit spline finite difference scheme for a class of nonlinear time variable order fractional partial differential equations by Moghaddam, B.P., Machado, J.A.T.

“…This paper addresses a stable three-level explicit scheme for a class of nonlinear time variable order fractional partial differential equations. The proposed…”
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Numerical solution of variable-order fractional integro-partial differential equations via Sinc collocation method based on single and double exponential transformations by Babaei, A., Moghaddam, B.P., Banihashemi, S., Machado, J.A.T.

“…•A class of multi-dimensional variable-order fractional integro-partial differential equations is under consideration.•New treatments of Sinc spectral method…”
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Fractional calculus: A survey of useful formulas by Valério, D., Trujillo, J. J., Rivero, M., Machado, J. A. T., Baleanu, D.

“…This paper presents a survey of useful, established formulas in Fractional Calculus, systematically collected for reference purposes…”
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A combined measure to differentiate EEG signals using fractal dimension and MFDFA-Hurst by David, S.A., Machado, J.A.T., Inácio, C.M.C., Valentim, C.A.

“…•The dynamics of the electroencephalogram signals of normal and epileptic patients is analyzed.•Multifractal Detrended Fluctuation Analysis (MFDFA), Hurst…”
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On fractional vectorial calculus by Ortigueira, M D, Machado, J T M

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A new operational approach for solving fractional variational problems depending on indefinite integrals by Ezz-Eldien, S.S., Doha, E.H., Bhrawy, A.H., El-Kalaawy, A.A., Machado, J.A.T.

“…•Solving fractional variational problems depending on indefinite integrals.•Fractional integral operational matrix is used together with the Lagrange…”
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Modeling of the Lung Impedance Using a Fractional-Order Ladder Network With Constant Phase Elements by Ionescu, C M, Machado, J A T, De Keyser, R

“…The self similar branching arrangement of the airways makes the respiratory system an ideal candidate for the application of fractional calculus theory. The…”
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