964 resultados para Matrix fractional order differential equation
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Numerous researchers have studied about nonlinear dynamics in several areas of science and engineering. However, in most cases, these concepts have been explored mainly from the standpoint of analytical and computational methods involving integer order calculus (IOC). In this paper we have examined the dynamic behavior of an elastic wide plate induced by two electromagnets of a point of view of the fractional order calculus (FOC). The primary focus of this study is on to help gain a better understanding of nonlinear dynamic in fractional order systems. © 2011 American Institute of Physics.
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The continued fraction method for solving differential equations is illustrated using three famous differential equations used in quantum chemistry.
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A general fractional porous medium equation
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Originally presented as the author's thesis, University of Illinois at Urbana-Champaign.
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Mode of access: Internet.
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Mathematics Subject Classification: 26A33, 45K05, 60J60, 60G50, 65N06, 80-99.
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Mathematics Subject Classification: 26A33, 34A60, 34K40, 93B05
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Mathematics Subject Classification: 26A33
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2000 Math. Subject Classification: 26A33; 33E12, 33E30, 44A15, 45J05
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Mathematics Subject Classification: 26A33, 93B51, 93C95
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MSC 2010: 34A37, 34B15, 26A33, 34C25, 34K37
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2000 Mathematics Subject Classification: 34K15, 34C10.
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MSC 2010: 35R11, 44A10, 44A20, 26A33, 33C45
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The field of chemical kinetics is an exciting and active field. The prevailing theories make a number of simplifying assumptions that do not always hold in actual cases. Another current problem concerns a development of efficient numerical algorithms for solving the master equations that arise in the description of complex reactions. The objective of the present work is to furnish a completely general and exact theory of reaction rates, in a form reminiscent of transition state theory, valid for all fluid phases and also to develop a computer program that can solve complex reactions by finding the concentrations of all participating substances as a function of time. To do so, the full quantum scattering theory is used for deriving the exact rate law, and then the resulting cumulative reaction probability is put into several equivalent forms that take into account all relativistic effects if applicable, including one that is strongly reminiscent of transition state theory, but includes corrections from scattering theory. Then two programs, one for solving complex reactions, the other for solving first order linear kinetic master equations to solve them, have been developed and tested for simple applications.