Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Sanaa L. Khalaf"'
Publikováno v:
Partial Differential Equations in Applied Mathematics, Vol 11, Iss , Pp 100792- (2024)
This paper presents a fractional mathematical model for analyzing the dynamics of Ebola virus diseases. The model consists of five categories: individuals with low susceptibility to the virus S1(t), individuals with high susceptibility S2(t), infecte
Externí odkaz:
https://doaj.org/article/3945d38667c34d38bf584b7184bd80bd
Publikováno v:
Results in Control and Optimization, Vol 13, Iss , Pp 100330- (2023)
The objective of this article is to present a novel algorithm that can efficiently address fractional quadratic optimal control problems (FQOCPs) through the application of the generalized differential transform method, in conjunction with a Vandermo
Externí odkaz:
https://doaj.org/article/51b4cb4af10045469de590d1d9877516
Publikováno v:
Partial Differential Equations in Applied Mathematics, Vol 7, Iss , Pp 100470- (2023)
This article focuses on the recent epidemic caused by COVID-19 and takes into account several measures that have been taken by governments, including complete closure, media coverage, and attention to public hygiene. It is well known that mathematica
Externí odkaz:
https://doaj.org/article/36313d2a5a9c408b96cff2c4a312bae4
Autor:
Sanaa L. Khalaf, Hadeer S. Flayyih
Publikováno v:
Results in Control and Optimization, Vol 10, Iss , Pp 100214- (2023)
Using the standard SIR model with three unknown biological parameters, the COVID-19 pandemic in Iraq has been studied. The least squares method and real data on confirmed infections, deaths, and recoveries over a long time (455 days) were used to est
Externí odkaz:
https://doaj.org/article/e45fd2e8649a468fb97a88f25de0f11f
Autor:
Zainab A. Lazima, Sanaa L. Khalaf
Publikováno v:
Iraqi Journal of Science. :3877-3888
HIV is a leading cause of death, in particular, in Sub-Saharan Africa. In this paper, a fractional differential system in vivo deterministic models for HIV dynamics is presented and analyzed. The main roles played by different HIV treatment methods a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92c8f106db081aa4abb64b163475491d
https://doi.org/10.24996/ijs.2022.63.9.20
https://doi.org/10.24996/ijs.2022.63.9.20
Publikováno v:
Partial differential equations in applied mathematics : a spin-off of Applied Mathematics Letters.
This article focuses on the recent epidemic caused by COVID-19 and takes into account several measures that have been taken by governments, including complete closure, media coverage, and attention to public hygiene. It is well known that mathematica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af6b3100a672b3b3d8346dc80fa29e08
https://pubmed.ncbi.nlm.nih.gov/36505269
https://pubmed.ncbi.nlm.nih.gov/36505269
Autor:
Sanaa L. Khalaf
Publikováno v:
BASRA JOURNAL OF SCIENCE. 38:26-47
Because there is no general analytical method for solving the quadratic time varying optimal control problems (QTVOCPs), many authors adopt the numerical methods for this purpose. This motivates some authors to use the differential transform method (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d81635752de37bc1450c297e2e8d406
https://doi.org/10.29072/basjs.20200103
https://doi.org/10.29072/basjs.20200103
Publikováno v:
Chaos, Solitons & Fractals. 101:81-85
Arikoglu and Ozkol developed a new semi-analytical numerical technique, fractional differential transform method (FDTM), for solving fractional differential equations (FDEs). FDTM was not achieved for solving irrational order fractional differential
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5c7e5b51ddb5b7e438851fa247e0be7
https://doi.org/10.1016/j.chaos.2017.05.026
https://doi.org/10.1016/j.chaos.2017.05.026
Autor:
Ayad R. Khudair, Sanaa L. Khalaf
Publikováno v:
Differential Equations and Dynamical Systems. 25:373-383
This paper adopts the inverse fractional differential operator method for obtaining the explicit particular solution to a linear sequential fractional differential equation, involving Jumarie’s modification of Riemann–Liouville derivative, with c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::907501be2fbfddbb8fb130400a616670
https://doi.org/10.1007/s12591-017-0364-8
https://doi.org/10.1007/s12591-017-0364-8
Publikováno v:
British Journal of Mathematics & Computer Science. 16:1-14
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9e8c9d2fd3a81cf45ea0f0643a92053
https://doi.org/10.9734/bjmcs/2016/25673
https://doi.org/10.9734/bjmcs/2016/25673