Mohd Asrul Hery Ibrahim
Universiti Malaysia Kelantan
AlgorithmQuasi-Newton methodStructured interviewMathematical optimizationBroyden–Fletcher–Goldfarb–Shanno algorithmOptimization problemBusinessPublic sectorPsychologyMethod of steepest descentMarketingQuadratic unconstrained binary optimizationVulnerabilityPovertyHessian matrixLearning environmentScale (ratio)Descent (mathematics)Applied mathematicsUnconstrained optimizationMathematicsPublic relationsComputer scienceNumerical analysisConvergence (routing)MedicineBroyden's methodConjugate gradient methodLine search
43Publications
5H-index
75Citations
Publications 47
Newest
#2Aceng SambasH-Index: 13
Last. Mohd Asrul Hery IbrahimH-Index: 5
view all 10 authors...
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#1Marsilah Anum Marham (UPSI: Sultan Idris University of Education)
#2Mohd Faizal Nizam Lee Abdullah (UPSI: Sultan Idris University of Education)H-Index: 5
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Problem solving and problem posing are two important areas in mathematics education. Literature shows that both strategies have significant impact on students’ performance as well as increase student’s motivation to learn mathematics. Problem posing strategies could trigger critical and creative thinking, stimulate students to think deeply, and provide students greater ability to solve math problems. However, there are lack of research that highlights the way to implement problem posing strategy...
In this work, we devise a new 5-D hyperchaotic dynamo system by adding two feedback controllers to the Rikitake 2-disk dynamo system (1958). We show that the new 5-D hyperchaotic system does not possess any equilibrium point and deduce that the new 5-D system has a hidden hyperchaotic attractor. Using Multisim, we develop an electronic circuit design of the new 5-D hyperchaotic dynamo system for practical applications. We also exhibit the implementation of the new 5-D hyperchaotic dynamo system ...
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#2Mustafa MamatH-Index: 16
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#1Khaled Benkouider (University of Jijel)H-Index: 3
#2Toufik Bouden (University of Jijel)H-Index: 9
Last. Mohd Asrul Hery Ibrahim (Universiti Malaysia Kelantan)H-Index: 5
view all 7 authors...
The very high demand for chaotic systems in the fields of sciences, particularly in secure communication, leads numerous researchers to build novel systems. This work announces a new easy to implement 3D chaotic system with five quadratic nonlinearities and three positive parameters, the proposed system is complex with larger bandwidth compared to at least 50 other systems that have been described. It contains eight terms and it can generate chaotic, periodic and quasi-periodic behaviors. The ma...
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#1Olayiwola Babarinsa (Universiti Malaysia Kelantan)
#2Azfi Zaidi Mohammad Sofi (Universiti Malaysia Kelantan)H-Index: 2
Last. Hailiz Kamarulhaili (Universiti Sains Malaysia)
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In this paper, W Z factorization is optimized with a proposed Cramer’s rule and compared with classical Cramer’s rule to solve the linear systems of the factorization technique. The matrix norms and performance time of WZ factorization together with LU factorization are analyzed using sparse matrices on MATLAB via AMD and Intel processor to deduce that the optimized Cramer’s rule in the factorization algorithm yields accurate results than LU factorization and conventional W Z factorization. In a...
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#1Olayiwola Babarinsa (Universiti Malaysia Kelantan)
#2Azfi Zaidi Mohammad Sofi (Universiti Malaysia Kelantan)H-Index: 2
Last. Dlal Bashir (Universiti Sains Malaysia)
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The graph of Hermitian-adjacency matrix is a mixed graph consisting adjacency matrix of an undirected graph and skew-adjacency matrix of a digraph. In this paper we discuss eigenvalues of Hermitian-adjacency matrix. Then we use the eigenvalues to determine the possible Hamiltonian cycles of its graph.
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#1Siti Farhana HusinH-Index: 1
Last. Mohd RivaieH-Index: 8
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This study employs exact line search iterative algorithms for solving large scale unconstrained optimization problems in which the direction is a three-term modification of iterative method with two different scaled parameters. The objective of this research is to identify the effectiveness of the new directions both theoretically and numerically. Sufficient descent property and global convergence analysis of the suggested methods are established. For numerical experiment purposes, the methods a...
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#1Kamilu KamfaH-Index: 2
#2M. Y. WaziriH-Index: 7
Last. Siti Sabariah AbasH-Index: 3
view all 6 authors...
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#1Abdullah Al Mamun (Universiti Malaysia Kelantan)H-Index: 19
#2Mohd Asrul Hery Ibrahim (Universiti Malaysia Kelantan)H-Index: 5
view all 7 authors...
AbstractThis study examined the impact of access to working capital and microenterprise development training programmes on microenterprise income and assets among participants from various developm...
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