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A Hybrid Kharrat-Toma Transform with Homotopy Perturbation Method for Solving Integro-Differential Equations
Get PDFThis article presents an effective hybrid semi-analytical method for dealing with the integro-differentialequations. This new technique is based on the combining of the Kharrat-Toma integral transform with thehomotopy perturbation method to find the exact or approximate solutions of both linear and nonlinear models. Several examples are illustrated to test the power and efficiency of the proposed method. Further, theobtained results of the hybrid approach are implemented in Maple software
Positive solution for a class of Caputo-type fractional differential equations
Get PDFIn this paper, we investigate the existence and uniqueness of positive solutions for a class of Caputo-type fractional differential equations with nonlocal integral boundary conditions. Our analysis based on constructing the upper and lower control functions of the nonlinear terms without having any monotone conditions except the continuity, Green function, and Schauder's (Banach's) fixed point technique on a cone. Finally, some examples are given to substantiate our main results
BTESL Studets’ Perception Towards Literature Subjects
Get PDFThis study investigates Bachelor of Teaching English as Second Language (BTESL) second and third-year students’ perception towards literature subjects in a higher education institute in Malaysia and identifies the perception, attitude and challenges faced by BTESL second and third-year students in learning literature subjects. The study involves 188 participants from a Malaysian higher education institute BTESL second and third-year students. The sample is being chosen based on the literature subjects that have been taken by the sample. A structured questionnaire has been prepared as the instrument of the study. A total of 45 items is designing in 4 different sections; including the demographic section; it applies the 5-point Likert-scales to collect the data from the respondents. The findings show the students have positive perceptions and attitudes in learning literature subjects. There are challenges faced by the student in learning literature subjects that need to be overcome by the educators. Consequently, in ensuring an effective teaching and learning process on literature subject, there must have considered in selecting text to be included in the classroom. The educators play an important role in identifying the student needs in ensuring the success of the teaching and learning process
The Effect of Nutrition in Promoting the Immune System Against Diseases: Covid-19 as a Case
Get PDFA new virus strain spreading from person to person is the novel coronavirus (COVID-19). Before you get sick, the diet's role in fostering a healthy immune system starts. Promoting a healthy immune system by eating a regular high-quality diet would make it quicker and easier to fend off disease. Immune function plays an important role in micronutrients and antioxidants, such as iron, zinc, vitamin D, vitamins A, E and C, and phytochemicals, including beta-carotene. A well-working immune system against diseases as COVID 19
Phytochemical Analysis and Anticancer Activity of Ethanolic Extract Against A549 Human Lung Cancer Cell Line Azadirachta Indica
Get PDFAzadirachta indica phytochemicals are found to be effective against malignant growth and hostile to bacterial properties. In the specific examination, the coupling proficiency of five mixes that are available in the Azadirachta indica with all the eleven proteins through in silico techniques was completed. Plant removes harmful compound instigated injury by expanding the body's degrees of cell reinforcement particles. For example, they affect the glutathione, and improving the action of cancer prevention agent chemicals. About 549 cells treated with Azadirachta indica ethanolic separated in various hours (6, 12, 24 and 36 hours). After 36 hours, the cells development was controlled. There are re-established interests in home grown based meds to hinder the results of manufactured medications, Azadirachta Indica L. A leaf contains phytochemical intensifies that has all freer revolutionary rummaging just as anticancer exercises
On a new type of fractional difference operators on h-step isolated time scales: Weighted fractional difference operators
No full textIn this article, a new type of fractional sums and differences called the discrete weighted fractionaloperators are presented. The weighted backward and forward difference operators are defined on anisolated time scale with arbitrary step size and they obey the power law
Positive solutions of a class of nonlinear boundary value fractional differential equations
Get PDFIn this paper, the existence of positive solutions of a class of nonlinear fractional boundary value problemsis considered. Two fixed point theorems are used, namely: Banach Contraction mapping principle andLeggett-Williams fixed point theorems. The former is used to prove the existence of a unique solution, whereasthe latter is used to prove the existence of at least three positive solutions to the problem. Some examples areprovided to illustrate the two results
Level of Language Anxiety in Classroom among Students in a Higher Education Institute in Malaysia
Get PDFThe study aims to identify Higher Education students' level of language anxiety in the classroom. Moreover, the study also investigated the Higher Education Institute students' level of anxiety in each of the components in English language. 236 students from a Higher Education Institute participated in this study. The quantitative method has been used in this study and a set of questionnaire was adapted from FLCAS that was developed by Horwitz et al. (1986). For the finding, the study found that Higher Education Institute students have moderate level of language anxiety. Therefore, the study also revealed that the Higher Education Institute students have a moderate level of language anxiety in the test anxiety component and fear of negative evaluation component. On the other hand, Higher Education Institute students' have a high level of language anxiety in the communication apprehension component. The current study could help future educators to acknowledge more on language anxiety and help educators to find a good solution for these students
Enhanced Security Framework for Internet Banking Services
Get PDFThis research, Enhanced Security Framework for Internet Banking Services is aimed at developing a suitable framework, a system based on consolidating two algorithms, improved RSA with LSB steganography capable of providing secure transmission of customer Internet banking credentials as this is imperative since the online transactions are carried out using public networks that are vulnerable to varying forms of cyber threats and attacks on data confidentiality, integrity and authenticity. In conducting this research, a thorough analysis of the existing banking system used by most banks such as First bank, Stanbic IBTC and UBA, the FINACLE 10.8 and intellect(TM) PRIVACY security system used by POLARIS bank was carried out in order to ascertain the existing security features while at the same time, reviewing the existing, current Internet banking security models in a bid to concretely establish the gaps filled by this research. The data gathered for this research were collected using the key informant interview method (KIIM), visiting banks IT unit and observation of operational procedures and other technicalities as regards Internet security. Lecture notes, newsletters and journal articles relating to Internet banking security were thoroughly reviewed. It was however found that the existing applications were unable to stop offline credential stealing attacks, were also vulnerable to malicious attacks when credentials are stored on customer PCs. Hence, the use of steganography in this research to consolidate cryptographic algorithms (beginning from the use of PKI-cards on card readers). In building the system, the OOAD approach was used with tools such as Class Diagram, Sequence Diagram, DFDs, and UML use cases to capture the system functionalities in a bid to come up with a successful design. MATLAB R2015a was used to process images imported from JAVA platform and analysis carried out on five (5) standard gray USC-SIPI images of size 512 × 512tiff formats as data sets selected to conceal customer data after encryption by the RSA technique yielding very high PSNR and very low MSE values as required for a secure credential transmission
The Bias Estimation of Linear Regression Model with Autoregressive Scheme using Simulation Study
No full textIn regression modeling, first-order auto correlated errors are often a problem, when the data also suffers from independent variables. Generalized Least Squares (GLS) estimation is no longer the best alternative to Ordinary Least Squares (OLS). The Monte Carlo simulation illustrates that regression estimation using data transformed according to the GLS method provides estimates of the regression coefficients which are superior to OLS estimates. In GLS, we observe that in sample size and =3 with correlation level the bias of GLS is , which is less than all bias estimates, and in sample size and with correlation level the bias of GLS is , which is maximum in all levels. Similarly minimum and maximum bias values of OLS and GLS of are , and , respectively. The average values of parameters of the OLS and GLS estimation with different size of sample and correlation levels are estimated. It is found that for large samples both methods give similar results but for small sample size GLS is best fitted as compared to OLS