On a singular system of fractional nabla difference equations with boundary conditions

被引：0
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作者：
Ioannis K Dassios
Dumitru I Baleanu
机构：
[1] The University of Edinburgh,School of Mathematics and Maxwell Institute
[2] Cankaya University,Department of Mathematics and Computer Sciences
[3] Institute of Space Sciences,Department of Chemical and Materials Engineering, Faculty of Engineering
[4] King Abdulaziz University,undefined
来源：
Boundary Value Problems | / 2013卷
关键词：
boundary conditions; singular systems; fractional calculus; nabla operator; difference equations; linear; discrete time system;
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摘要：
In this article, we study a boundary value problem of a class of linear singular systems of fractional nabla difference equations whose coefficients are constant matrices. By taking into consideration the cases that the matrices are square with the leading coefficient matrix singular, square with an identically zero matrix pencil and non-square, we provide necessary and sufficient conditions for the existence and uniqueness of solutions. More analytically, we study the conditions under which the boundary value problem has a unique solution, infinite solutions and no solutions. Furthermore, we provide a formula for the case of the unique solution. Finally, numerical examples are given to justify our theory.
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