abdul majid - Academia.edu (original) (raw)

Papers by abdul majid

Journal of Computational Physics, 2010

The idea of a weighted Sobolev gradient, introduced and applied to singular differential equation... more The idea of a weighted Sobolev gradient, introduced and applied to singular differential equations in [1], is extended to a Poisson-Boltzmann system with discontinuous coefficients. The technique is demonstrated on fully nonlinear and linear forms of the Poisson- Boltzmann equation in one, two, and three dimensions in a finite difference setting. A comparison between the weighted gradient and FAS multigrid is given for large jump size in the coefficient function.

International Journal of Hybrid Intelligent Systems, 2006

This paper describes the combination of support vector machine (SVM) classifiers using Genetic Pr... more This paper describes the combination of support vector machine (SVM) classifiers using Genetic Programming (GP) for gender classification problem. In our scheme, individual SVM classifiers are constructed through the learning of different SVM kernel functions. The predictions of SVM classifiers are then combined using GP to develop Optimal Composite Classifier (OCC). In this way, the combined decision space is more informative and discriminant. OCC has shown improved performance than that of optimized individual SVM classifiers using grid search. Another advantage of our GP combination scheme is that it automatically incorporates the issues of optimal kernel function and model selection to achieve high performance classification model. The classification performance is reported by using Receiver Operating Characteristics (ROC) Curve. Experiments are conducted under various feature sets to show that OCC is more informative and robust as compared to their individual SVM classifiers. Specifically, it attains high margin of improvement for small feature sets.

International Journal of Human Resource Studies, Jul 11, 2013

The concept of work in Non-Governmental Organizations (NGOs) specifically in Songkhla province of... more The concept of work in Non-Governmental Organizations (NGOs) specifically in Songkhla province of Thailand is highlighted in this paper. The study assumed that the meaning of work in NGOs is different from other types of organizations such as business and governmental organizations. NGO operations are seen to be different in terms of their goals when compared to those organizations. Even though research on work had been widely conducted in the business as well as the governmental sectors worldwide, few studies on this issue had been done in the NGO or non-profit sector. The concept of work in NGOs needs to be explored further in order for interested parties to get a true understanding of the nature of work in NGO sector. The research questions posed in this paper relate to how and why the work in NGOs influences the NGO professionals. The objective of this paper is to present some findings based on an in-depth study on the meaning of work in NGOs. This study consists of two core aspects of work: subjective and objective aspects. The respondents in this paper were 16 professionals (i.e. university graduates) selected from five local NGOs in Songkhla province of Thailand. This study used a mixed method within qualitative approach comprising in-depth interviews, non-participant observation, and secondary documents. This study showed that the NGO professionals had given high values on the subjective aspects of work because they were seeking fulfillment from work, while the objective aspects of work were seen to be less important to them.

Womersley's analyses of blood flow in elastic-walled arteries assume solution forms that treat th... more Womersley's analyses of blood flow in elastic-walled arteries assume solution forms that treat the flow as periodic and continuously unsteady. In smaller arteries such as the popliteal and anterior tibial, measurements of flow variables indicate that they are not continuously unsteady but are characterized more accurately as rapid transient motions followed by recovery towards an almost stationary state, repeated in successive cycles. When the recovery phase exceeds about half a viscous timescale, the flow comes to rest before restarting in the following cycle. As such, its solution is that of an initial value problem and not a continuously unsteady one. In this talk, we discuss the accuracy with which flows measured in these arteries are described by solutions that treat them as initial value problems.

J Sol Gel Sci Technol, 2006

Journal of Applied Physics, Dec 15, 2009

High resolution x-ray diffraction and optical transmission measurements were performed on neon-im... more High resolution x-ray diffraction and optical transmission measurements were performed on neon-implanted metal-organic chemical-vapor deposition-grown GaN thin films, successively annealed at 800 and 1000 °C, to study the effect of implantation. Several subsidiary peaks on lower angle side of the main GaN peak were observed in high resolution x-ray diffraction pattern recorded after implantation. The peaks are ascribed to the expansion of the lattice in the implanted part of the samples. Optical transmission measurements revealed a consistent increase in band tailing and redshift in optical band gap of the implanted samples with increasing dose. The band tailing is proposed to be due to expansion of the lattice caused by the production of point defects in the implanted samples. A correlation between optical and structural properties of the implanted samples was studied using results obtained from dose-dependent variation in interplanar lattice spacing, optical band gap, and Urbach energy measurements.

American Journal of Social Issues and Humanities, May 19, 2012

Language teachers have been debating whether or not to use the students' first language (L1) in s... more Language teachers have been debating whether or not to use the students' first language (L1) in second language (L2) teaching. Some teachers have the opinion that first language may be used under certain limitations and others feel that it should not be allowed at all. Nevertheless, the use of first language in second language teaching has been advocated with grounded theory for as far as it merits the situation. The aim of this study is to investigate the effectiveness of the use of first language to generate ideas for second language writing among low proficiency ESL learners. This study employed the experimental research design where the students in the experimental group used Bahasa Melayu in generating ideas before they resumed writing their essays in English. On the other hand, the students in the control group used English. The essays are graded by two independent raters and the scores are analysed using the paired ttest. The findings show a marked improvement in the writing performance of students who used their first language to generate ideas before writing using their second language. Based on the findings of this study a recommendation could be made to the writing teachers to use the students' first language especially in generating ideas among low level proficiency ESL learners.

Journal of Materials Science Materials in Electronics, May 31, 2007

ABSTRACT We have studied the temperature dependence of absorption edge of GaN thin films grown on... more ABSTRACT We have studied the temperature dependence of absorption edge of GaN thin films grown on sapphire substrate by metal-organic chemical vapor deposition using optical absorption spectroscopy. A shift in absorption edge of about 55 meV has been observed in temperature range 273–343 K. We have proposed a theoretical model to find the energy gap from absorption coefficient using α = αmax + (αmin − αmax)/[1 + exp 2(E − Eg + KT)/KT]. Temperature dependence of band gap has also been studied by finding an appropriate theoretical fit to our data using Eg(T) = Eg(273 K) − (8.8 � 10−4T2)/(483 + T) + 0.088 (Varshni empirical formula) and Eg(T) = Eg(273 K)−0.231447/[exp(362/T)−1] + 0.082 relations. It has been found that data can be fitted accurately after adding a factor ∼0.08 in above equations. Debye temperature (483 K) and Einstein temperature (362 K) in the respective equations are found mutually in good agreement.

Pakistan Veterinary Journal, 2000

... Line differences in resistance to Salmone I!a enter it idis P&#x27;1&#x27;4 i... more ... Line differences in resistance to Salmone I!a enter it idis P&#x27;1&#x27;4 infection. Br. Poult. Sci.. 37(2): 329-339. Sajid, SD. M. Irfanand M. Siddique. 1986. Incidence of Salmonellosis in broiler breeders in and around Faisalabad. Pakistan Vet. J. r&gt;&lt; IV. 37-40. ...

Microelectronics Journal, 2008

The Lahore Journal of Economics, 2012

This study presents an economic analysis of experimental on-farm data on the yield effect of gyps... more This study presents an economic analysis of experimental on-farm data on the yield effect of gypsum on groundnut production in Pakistan's Pothwar region. The data indicates that groundnut pod yield increases significantly with the application of gypsum at 500 kg/ha for both local and improved (chakori) varieties of groundnut. The higher net benefits generate a marginal rate of return of up to 132 percent for local and 202 percent for improved varieties of groundnut. We carry out a sensitivity analysis and minimum returns analysis, and find, respectively, that the recommended application is capable of withstanding price variability and variability in yield. Since price structure changes more rapidly than technology, recommendations should be based on an analysis of returns under varying input and output prices.

West Pakistan Journal of Agricultural Research, 1970

In laboratory experiments 13 rice cv. were germinated in 0-1.0% NaCl solution, and in field exper... more In laboratory experiments 13 rice cv. were germinated in 0-1.0% NaCl solution, and in field experiments at Kala Shah Kaku, 6 promising rice cv. were grown in saline soil (0-3% salt) supplied with 0-1.3% NaCl or Na 2 SO 4 . Germination decreased with increasing salt concentration, ...

Compensation management literature highlights that income has three major features: salary, bonus... more Compensation management literature highlights that income has three major features: salary, bonus and allowance. If the level and/or amount of income are distributed to employees based on proper rules this may increase pay satisfaction.