On the Stability of Linear Incommensurate Fractional-Order Difference Systems

To follow up on the progress made on exploring the stability investigation of linear commensurate Fractional-order Difference Systems (FoDSs), such topic of its extended version that appears with incommensurate orders is discussed and examined in this work. Some simple applicable conditions for judg...

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Main Authors: Noureddine Djenina, Adel Ouannas, Iqbal M. Batiha, Giuseppe Grassi, Viet-Thanh Pham
Format: Article
Language:English
Published: MDPI AG 2020-10-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/8/10/1754
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author Noureddine Djenina
Adel Ouannas
Iqbal M. Batiha
Giuseppe Grassi
Viet-Thanh Pham
author_facet Noureddine Djenina
Adel Ouannas
Iqbal M. Batiha
Giuseppe Grassi
Viet-Thanh Pham
author_sort Noureddine Djenina
collection DOAJ
description To follow up on the progress made on exploring the stability investigation of linear commensurate Fractional-order Difference Systems (FoDSs), such topic of its extended version that appears with incommensurate orders is discussed and examined in this work. Some simple applicable conditions for judging the stability of these systems are reported as novel results. These results are formulated by converting the linear incommensurate FoDS into another equivalent system consists of fractional-order difference equations of Volterra convolution-type as well as by using some properties of the <i>Z</i>-transform method. All results of this work are verified numerically by illustrating some examples that deal with the stability of solutions of such systems.
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spelling doaj.art-dc1ebbdb65984916a460fdc9b271f7532023-11-20T16:48:26ZengMDPI AGMathematics2227-73902020-10-01810175410.3390/math8101754On the Stability of Linear Incommensurate Fractional-Order Difference SystemsNoureddine Djenina0Adel Ouannas1Iqbal M. Batiha2Giuseppe Grassi3Viet-Thanh Pham4Laboratory of Mathematics, Informatics and Systems (LAMIS), University of Laarbi Tebessi, Tebessa 12002, AlgeriaLaboratory of Mathematics, Informatics and Systems (LAMIS), University of Laarbi Tebessi, Tebessa 12002, AlgeriaDepartment of Mathematics, University of Jordan, Amman 11942, JordanDipartimento Ingegneria Innovazione, Universita del Salento, 73100 Lecce, ItalyNonlinear Systems and Applications, Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City 758307, VietnamTo follow up on the progress made on exploring the stability investigation of linear commensurate Fractional-order Difference Systems (FoDSs), such topic of its extended version that appears with incommensurate orders is discussed and examined in this work. Some simple applicable conditions for judging the stability of these systems are reported as novel results. These results are formulated by converting the linear incommensurate FoDS into another equivalent system consists of fractional-order difference equations of Volterra convolution-type as well as by using some properties of the <i>Z</i>-transform method. All results of this work are verified numerically by illustrating some examples that deal with the stability of solutions of such systems.https://www.mdpi.com/2227-7390/8/10/1754<i>Z</i>-transform methodlinear incommensurate fractional-order difference systemstability
spellingShingle Noureddine Djenina
Adel Ouannas
Iqbal M. Batiha
Giuseppe Grassi
Viet-Thanh Pham
On the Stability of Linear Incommensurate Fractional-Order Difference Systems
Mathematics
<i>Z</i>-transform method
linear incommensurate fractional-order difference system
stability
title On the Stability of Linear Incommensurate Fractional-Order Difference Systems
title_full On the Stability of Linear Incommensurate Fractional-Order Difference Systems
title_fullStr On the Stability of Linear Incommensurate Fractional-Order Difference Systems
title_full_unstemmed On the Stability of Linear Incommensurate Fractional-Order Difference Systems
title_short On the Stability of Linear Incommensurate Fractional-Order Difference Systems
title_sort on the stability of linear incommensurate fractional order difference systems
topic <i>Z</i>-transform method
linear incommensurate fractional-order difference system
stability
url https://www.mdpi.com/2227-7390/8/10/1754
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