Two-sided Discrete Fractional Derivatives and Systems

被引：0
|
作者：
Ortigueira, Manuel D. [1 ]
机构：
[1] UNL, UNINOVA, Fac Ciencias & Tecnol, P-2829516 Caparica, Portugal
来源：
NUMERICAL ANALYSIS AND APPLIED MATHEMATICS (ICNAAM 2012), VOLS A AND B | 2012年 / 1479卷
关键词：
fractional derivatives; two-sided; discrete;
D O I：
10.1063/1.4756424
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Starting from the discrete-time nabla (forward) and delta (backward) derivatives we introduce a two-sided derivative valid for any order. Its eigenfunction is the normal discrete exponential. This derivative leads to discrete non causal linear systems.
引用
收藏
页码：1416 / 1419
页数：4
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