Mohammad Khatim Hasan

Mohammad Khatim Hasan
Universiti Kebangsaan Malaysia | ukm · Faculty of Information Science and Technology

PhD

About

130
Publications
30,923
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699
Citations
Introduction
He is Associate Professor at the Faculty of Information Science and Technology Universiti Kebangsaan Malaysia. Graduated from Universiti Kebangsaan Malaysia for his B.Sc (Mathematics) and Master in Information technology (Industrial Computing) and Universiti Putra Malaysia (Ph. D). He had publish more than 150 in peer reviewed journals, proceedings, chapter in book and books. Research Interest: Numerical and Parallel Computing, Industrial Computing, Statistical analysis
Additional affiliations
December 1998 - present
The National University of Malaysia
Position
  • Professor (Associate)
March 1998 - December 1998
Telekom Malaysia Berhad
Position
  • Research Officer

Publications

Publications (130)
Article
Every day, vehicle accidents occur and many of them might be avoided if the drivers demonstrated excellent driving without mistakes. This paper presents a novel prototype applied in a real transportation system, particularly for buses, to avoid accidents, which may involve numerous victims, and even occasionally cause death. This system consists of...
Data
https://penerbit.usm.my/index.php/buku/386-kaedah-lelaran-dalam-permasalah-saintifik
Chapter
In this study, the two-pointTwo-pointboundary value problemBoundary value problem has been discretized using the high-order Hosoya polynomial discretizationDiscretizationschemesSchemes to produce their corresponding Hosoya approximationHosoya approximation equations. Next, each approximation equation can generate a system of linear equations. To ge...
Chapter
The development of a numerical systemNumerical system for the solution of the partial differential equationPartial differential equation is very crucial since it can simulate the behavior of many scientific phenomenaScientific phenomena. The developed system can be used by researchers, educators, and students for research and education purposes. Th...
Chapter
Natural convective heat transfer occurs when there is a temperatureTemperature difference between the surface and the surrounding fluidFluid. These physical problems often occur in real -life applications involving porous mediums such as microprocessor cooling in computers, underground oil and gas movement, food processing and more. The theory of c...
Book
Full-text available
Tajuk: Kaedah Lelaran dalam Permasalahan Saintifik Editor: Jumat Sulaiman, Majid Khan Majahar Ali, Piakong Mohd. Tuah, Mohd. Khatim Hasan, Azali Saudi Harga: RM48.00 ISBN: 978-967-461-480-5 Kaedah Lelaran dalam Permasalahan Saintifik Kaedah lelaran sesuai digunakan untuk mendapatkan penyelesaian atau nilai hampiran bagi suatu sistem persamaan lin...
Article
Full-text available
The natural means that come in the form of crude oil is the global economy's signature ingredient, and its price fluctuations carry pertinent impressions on numerous aspects. These include well-being, advancement and financial thriving globally. In an attempt to examine the interaction between the gross domestic product (GDP) and crude oil prices (...
Chapter
This chapter discusses the application of the new cubic Timmer triangular patches constructed by Ali et al. [1] to interpolate the irregularly scattered data with C¹ continuity. In order to apply the cubic Timmer triangular patches for scattered data interpolation, the data is first triangulated by using the Delaunay algorithm, and then the suffici...
Article
In this study, a new cubic Timmer triangular patch is constructed by extending the univariate cubic Timmer basis functions. The best scheme that lies towards the control polygon is cubic Timmer curve and surface compared to the other methods. From the best of our knowledge, nobody has extended the univariate cubic Timmer basis to the bivariate tria...
Article
The C ¹ rational cubic spline function (cubic/quadratic) with three parameters is used to construct a constrained interpolating curve that lies below or above an arbitrary straight line or between two straight lines. The data dependent sufficient conditions for the rational cubic interpolant bounded by two straight lines are derived on one paramete...
Conference Paper
Runge Kutta (RK) is a famous method that can be used to solve differential equation with initial value problems (IVP). There are many variants for RK method. For instance, the most widely used are RK4 and RK5 where 4 and 5 stands for the order of the RK methods. Data interpolation are important in many engineering applications. Usually for data int...
Article
Full-text available
Missing data imputation is an important task in statistical and sciences dscipline. Solar radation data obtained from the solar tracker does not complete and some data are missing due to human error in handling the instrument or the failure of the imtnunent. Thus, missing data imputation can be used to predict and estimate the unknownvalue of the s...
Conference Paper
This paper discusses the wavelet transform by using new technique to calculate the threshold values. This new threshold methods are used to denoised the signal obtained from Petroleum Engineering applications. From numerical results the new threshold values outperform the existing threshold methods such as global threshold, minimax and SURE methods...
Conference Paper
Electroencephalography (EEG) is the electrical activity generated by the movement of neurons in the brain. It is categorized into delta waves, theta, alpha, beta and gamma. These waves exist in a different frequency band. This paper is a continuation of our previous research. EEG data will be decomposed using Discrete Wavelet Packet Transform (DWPT...
Conference Paper
Signal denoising and smoothing plays an important role in processing the given signal either from experiment or data collection through observations. Data collection usually was mixed between true data and some error or noise. This noise might be coming from the apparatus to measure or collect the data or human error in handling the data. Normally...
Conference Paper
Full-text available
This paper discussed the used of an open source sofware called Scilab to develop a heat simulator. In this paper, heat equation was used to simulate heat behavior in an object. The simulator was developed using finite difference method. Numerical experiment output show that Scilab can produce a good heat behavior simulation with marvellous visual o...
Book
This monograph propose new rational quartic spline with linear denominator. It has three parameters. This new rational spline has been used for monotonicity preserving interpolation. The sufficient condition for the monotonicity is derived and all the three parameters can be further utilized to obtain the desired interpolating curves. Furthermore e...
Article
This study proposes an object-oriented modelling for the quality information system as a module able to be integrated with other production logistics back office systems. Using the UML modelling tools such as component and class diagrams, the model addresses the highest level quality business processes and data structure as well as all identified p...
Article
This paper studies the use of cubic Ball interpolation for convexity preserving of scalar data. The parameter ri in the description of the cubic interpolant are subject to be constrained to guarantee the existence of the convex cubic interpolant for convex data. The sufficient condition for the convexity-preserving of cubic Ball interpolant will be...
Article
This paper evaluates the suitability of the workflow modeling tools through process-based material workflow perspective. A case example in inbound logistics system of "Resource Reception" workflow at the highest domain abstract level is examined with four nominated workflow modeling standards of Data Flow Diagram (DFD), Event-based Process Control...
Chapter
In this paper, we present the application of half-sweep successive over-relaxation (HSSOR) iterative methods together with Newton scheme, collectively Newton–HSSOR, in solving the nonlinear systems generated from the half-sweep Crank–Nicolson finite difference discretization scheme for a one-dimensional Burgers’ equation. To linearize nonlinear sys...
Article
Magnification is a part of geometric transformation and is used to change the perceived size of an object, whether it be to enlarge it or to reduce it. Object magnification is typically used in computer graphics. This paper discusses the techniques and algorithms that can solve the problem of scaling in the medical field which involves the use of d...
Article
This paper addressed a comprehensive modelling and functionality requirement evaluation of perpetual production logistics inventory system for small-to-medium enterprises. The main idea is to analyse the system behaviour and data transactions invoked by a module-based inventory system using business process modelling and object-oriented data modell...
Article
This paper proposes an object-oriented design for generating Stock Keeping Unit coding system. Through recognition and analysis of the inventory item particulars and conceptualizing the important classes as one package, the framework is developed in a modular-basis able to be integrated with other parts of the system. Using UML class and package di...
Article
Full-text available
Numerical application helps researchers in simulating various problems and used for solving partial differential equation.Half sweep and quarter sweep approach have been applied onto iterative method to gain approximation solution. Inthis paper, the implementation of full sweep successive over relaxation (FSSOR), half sweep successive over relaxati...
Conference Paper
Full-text available
Complexity reduction approach has been used to solve various science and technology problems. In this paper we will discuss the implementation of the approach to solve some hyperbolic equation such as first order hyperbolic problem and the Maxwell Equations. For solving the Maxwell equations, we implement a weighted average fourth order truncation...
Conference Paper
Partial difference equation plays important role in simulating a wide variety of science and engineering problem. In this paper, we develop numerical application which implements the iterative methods for steady state simulation and its numerical engine. A new approach names Alternate Left Right is applied onto Successive Overrelaxation (SOR) calle...
Conference Paper
In previous studies, the effectiveness of the second-order quarter-sweep finite difference approximation equations has been shown in solving singularly perturbed boundary value problems. In this paper, however, we investigate the application of the fourth-order quarter-sweep finite difference approximation equation based on the fourth-order standar...
Conference Paper
This study investigates the oscillatory free convection about a horizontal circular cylinder in a Newtonian fluid with presence of heat generation. The surface temperature of the cylinder oscillates harmonically about the temperature of the surrounding medium. Heat is generated internally within the Newtonian fluid at a rate proportional to a power...
Conference Paper
The singular value decomposition (SVD) is an effective tool to reconstruct the image approximately towards the original image. This paper will introduce and explores image reconstruction by applying the SVD on gray-scale image. As quality measurements, we used Compression Ratio (CR) and Root-Mean Squared Error (RMSE). The results indicated that for...
Article
In this paper, we examine the performance of half sweep Successive Over-Relaxation (HSSOR) iterative method together with Newton scheme namely Newton-HSSOR in solving the nonlinear systems generated from second order finite difference discretization of the nonlinear second order two-point boundary value problems. AS well known that to linearize non...
Article
This paper investigates the suitability and sufficincy of BPMN language in business process modelling. Production logistics system is modeled at the highest domain level using case study in car component industry to examine the language in every aspect. Modelling is carried out in a modular basis for three main sub-systems generally using BPMN 2.0....
Article
Full-text available
We study a fuzzy fractional differential equation (FFDE) and present its solution using Zadeh's extension principle. The proposed study extends the case of fuzzy differential equations of integer order. We also propose a numerical method to approximate the solution of FFDEs. To solve nonlinear problems, the proposed numerical method is then incorpo...
Article
Full-text available
This study develops the novel fourth-order iterative alternating decomposition explicit (IADE) method of Mitchell and Fairweather (IADEMF4) algorithm for the solution of the one-dimensional linear heat equation with Dirichlet boundary conditions. The higher-order finite difference scheme is developed by representing the spatial derivative in the he...
Article
Full-text available
This study proposes a hybrid method called particle swarm optimization-fuzzy euler method (PSOFEM) for solving fuzzy differential equations. The PSOFEM is obtained by embedding a particle swarm optimization technique in a fuzzy euler scheme. Results of applying the PSOFEM to several fuzzy differential equations are presented. Final results showed t...
Article
This study focuses on capturing all process-based data transaction system for the highest level of abstraction in inbound logistics activities in SME environment. As a business process modelling tool objective to provide better understanding and analytical view of the system, Data Flow Diagrams (DFD) are chosen due to the specific features of depic...
Article
This paper proposes a generic"to-be" business processes model for domain highest-level outbound logistics system representing the possible alternative structure and behaviour of the system in respect to x-party logistics services applicable in Small-to-medium sized enterprises. The generic framework of outbound logistics model consists of one main...
Article
Wavelets transform are effectively used in data compression and denoising such as in signal and image compression and denoising. One of the advantages of wavelets method is there exist fast algorithm in order to use wavelet for various applications. In this paper we will apply Discrete Wavelet Transform (DWT) to denoise the temperature data using s...
Article
Boundary value problems are problems that are frequently encountered in the wave transmission. This paper discusses three numerical methods of type overrelaxation for solving boundary value problems. The methods discussed are Successive overrelaxation (SOR), Accelerative overrelaxation (AOR) and Rotated Successive Over-relaxation (RSOR). In this pa...
Conference Paper
Full-text available
Signal processing is important in solar energy data analysis since the received solar radiation data fluctuates continuously. Some of the fluctuations can be considered as noise, and need to be filtered out before the signal will be used for other analysis. There exist various methods in order to filter the noise and one of the promising methods i...
Conference Paper
Finite difference method plays an important role in simulating various sciences and engineering problems. Heat simulation is one of the most simulated problems using numerical method. In this paper, we simulate two steady state heat phenomena via Quarter Sweep Accelerated Overrelaxation and Accelerated Overrelaxation schemes using Generalized Accel...
Article
Full-text available
Transient natural convection in a square cavity filled with a porous medium is studied numerically. The cavity is assumed heated from one vertical wall and cooled at the top, while the other walls are kept adiabatic. The governing equations are solved numerically by a finite difference method. The effects of Rayleigh number on the initial transient...
Article
Full-text available
The present paper reports a simulation study of the fluid flow and thermal phenomena in the passenger vehicle underhood compartment by analysing velocity magnitude, temperature, radiator heat transfer rate and heat transfer efficiency. Analysis are carried out on a half cut passenger vehicle sample model by using commercial computational fluid dyna...
Article
The convergence results of block iterative schemes from the EG (Explicit Group) family have been shown to be one of efficient iterative method methods in solving any linear systems generated from approximation equation. Apart from block iterative methods, the formulation of the MSOR (Modified Successive Over Relaxation) method known as SOR method w...
Article
Full-text available
Pre-operative planning is very important in the process of a Total Hip Arthroplasty (THA) because it is a method for determining the size and optimal implant position. According to experts from Medical Center of Universiti Kebangsaan Malaysia (UKMMC), manual methods are still used to find a suitable implant size for the patient. By using the manual...
Conference Paper
Pre-operative planning is very important in the process of a Total Hip Replacement (THR) because it is a method for determining the size and optimal implant position. Currently, a manual implant size identification technique of trial and error is used to determine the appropriate implant size for patients. This step was used repeatedly until the ap...
Conference Paper
Full-text available
This paper explores the application of fuzzy differential equations in modeling of prey and predator populations. A new model, referred to as fuzzy predator-prey model is introduced. This model is then solved numerically by means of a fuzzy Euler method. Some numerical results are presented in order to show the evolution of the prey and predator po...
Article
Full-text available
Boundary value problems are problems that are frequently encountered in the wave transmission. This paper discusses three numerical methods of type overrelaxation for solving boundary value problems. The methods discussed are Successive overrelaxation (SOR), Accelerative overrelaxation (AOR) and Rotated Successive Over-relaxation (RSOR). In this pa...
Article
Full-text available
This paper introduces a method of computing functions of trapezoidal fuzzy variable. The method is based on the implementation of an unconstrained optimisation technique over the α -cut of fuzzy interval. To show the effectiveness of the proposed method, we provide several numerical examples in computing the solutions of linear and non-linear fuzzy...
Conference Paper
Full-text available
In this paper, we present the solution of fuzzy initial value problem of the form X ′(t) = f(t,X(t)), X(t 0) = X 0, where X 0 is a symmetric triangular fuzzy interval. In the first part, we review the existing analytical methods for solving such problem under different types of interpretation. We then provide detailed numerical procedures based on...
Conference Paper
Preoperative templating in Total Hip Replacement (THR) is a method to estimate the optimal size and the best position of the implant. Today, observational (manual) size recognition techniques are still used to find a suitable implant for the patient. Therefore, a digital and automated technique should be developed so that the implant size recogniti...
Article
Full-text available
The field of orthopedics has become increasingly important at present as the number of patients diagnosed with osteoporosis increases every year. Conventional identification methods are still being used to find a suitable implant for the patient. Therefore, a digital method need to be for an effective identification of implant size, identification...
Conference Paper
Wavelet transforms are capable to decompose time series at various level which corresponds to the resolution of the decomposition. We can find the trend, cycle, noise, structural break etc. This is where wavelets are so efficient in studying characteristics of the any time series. In this present article, we study the use of wavelet (symlet 16) to...
Conference Paper
In this study, by taking full advantage of digital X-ray and information technology, we have developed a semi- automated procedure to template hip implants, by making use of digital templating techniques. Using this approach, a software system called OrthoHip TM has been developed. The OrthoHip TM template helps in quickly and easily selecting to t...
Article
Full-text available
This study proposes a new method for computing f(U) where f is a real continuous function and U is a fuzzy interval. The computation of f(U) is performed by incorporating optimisation technique into Zadeh’s extension principle. By discretising α up to n finite numbers, a set of n closed and bounded intervals is obtained. Here, the computation of f...
Article
Full-text available
The objective of this study was to describe numerical methods that apply complexity reduction approach to solve various scientific problems. Due to their low in complexity, their computations are faster than their standard form. Some of the methods have even higher in accuracy compared to their standard methods. In this study, we will describe the...
Article
Full-text available
The development of wavelet theory in recent years has motivated the emergence of applications such as in signal processing, image and function representation, finance, economics, numerical method etc. One of the dvantages wavelet as compared with Fourier is, it has fast algorithm to evaluate the series expansion. In the present study, we will discu...
Article
Full-text available
This paper proposes a new computational method for computing non-monotone functions that take a fuzzy interval as their arguments. The proposed method represents an implementation of optimisation technique into Zadeh's extension principle. By taking into account the dependency problem that exists in fuzzy environment, the proposed method can avoid...
Article
Full-text available
This paper proposes a new fuzzy version of Euler's method for solving differential equations with fuzzy initial values. Our proposed method is based on Zadeh's extension principle for the reformulation of the classical Euler's method, which takes into account the dependency problem that arises in fuzzy setting. This problem is often neglected in nu...
Article
Full-text available
Pre-operative planning in total hip replacement (THR) provides valuable information about the anatomy and appropriate implant size. In this research, we propose to use a digital and computerized method of implant templating which we expect will be more accurate and faster than the conventional method. By taking the full advantage of the digital X-r...
Article
Full-text available
Preoperative templating in Total Hip Replacement (THR) is a method to estimate the optimal size and position of the implant. Today, observational (manual) size recognition techniques are still used to find a suitable implant for the patient. Therefore, a digital and automated technique should be developed so that the implant size recognition proces...
Conference Paper
Wavelet and Fourier transform are the common methods used in signal and image compression. Wavelet transform (WT) are very powerful compared to Fourier transform (FT) because its ability to describe any type of signals both in time and frequency domain simultaneously while for FT, it describes a signal from time domain to frequency domain. Because...