All Stories

  1. Higher order curvature information and its application in a modified diagonal Secant method

    Article • Optimization, October 2018, Taylor & Francis

    Wah June Leong

  2. On the Application of Three-Term Conjugate Gradient Method in Regression Analysis

    Article • International Journal of Computer Applications, September 2014, Foundation of Computer Science

    Wah June Leong

  3. Limited Memory Methods with Improved Symmetric Rank-one Updates and Its Applications on Nonlinear Image Restoration

    Article • Arabian Journal for Science and Engineering, August 2014, Springer Science + Business Media

    Wah June Leong

  4. Quasi-Newton methods based on ordinary differential equation approach for unconstrained nonlinear optimization

    Article • Applied Mathematics and Computation, May 2014, Elsevier

    Wah June Leong

  5. International Conference on Mathematical Sciences and Statistics 2013

    Article • January 2014, Springer Science + Business Media

    Wah June Leong

  6. Approximate Newton-type methods via theory of control

    Article • January 2014, American Institute of Physics

    Wah June Leong

  7. Conjugate gradient methods with sufficient descent condition for large-scale unconstrained optimization

    Article • January 2014, American Institute of Physics

    Wah June Leong

  8. Preconditioning on subspace quasi-Newton method for large scale unconstrained optimization

    Article • January 2014, American Institute of Physics

    Wah June Leong

  9. On Exponential Stability of Stochastic Control Systems

    Article • January 2014, Springer Science + Business Media

    Wah June Leong

  10. The CG-BFGS method for unconstrained optimization problems

    Article • January 2014, American Institute of Physics

    Wah June Leong

  11. The Hybrid BFGS-CG Method in Solving Unconstrained Optimization Problems

    Article • Abstract and Applied Analysis, January 2014, Hindawi Publishing Corporation

    Wah June Leong

  12. Multi-Criteria Based Algorithm for Scheduling Divisible Load

    Article • December 2013, Springer Science + Business Media

    Wah June Leong

  13. A notion of stability in probability of stochastic nonlinear systems

    Article • Advances in Difference Equations, December 2013, Springer Science + Business Media

    Wah June Leong, Prof. SARKHOSH SEDDIGHI CHAHARBORJ

  14. A class of diagonal preconditioners for limited memory BFGS method

    Article • Optimization Methods and Software, April 2013, Taylor & Francis

    Wah June Leong

  15. Convergence and Stability of Line Search Methods for Unconstrained Optimization

    Article • Acta Applicandae Mathematicae, January 2013, Springer Science + Business Media

    Wah June Leong

  16. Preface: Proceedings of the International Conference on Mathematical Sciences and Statistics (ICMSS2013)

    Article • January 2013, American Institute of Physics

    Wah June Leong

  17. On Exponential Stability of Composite Stochastic Control Systems

    Article • Abstract and Applied Analysis, January 2013, Hindawi Publishing Corporation

    Wah June Leong

  18. Diagonal Hessian Approximation for Limited Memory Quasi-Newton via Variational Principle

    Article • Journal of Applied Mathematics, January 2013, Hindawi Publishing Corporation

    Wah June Leong

  19. Scaled Diagonal Gradient-Type Method with Extra Update for Large-Scale Unconstrained Optimization

    Article • Abstract and Applied Analysis, January 2013, Hindawi Publishing Corporation

    Wah June Leong

  20. On the Asymptotical and Practical Stability of Stochastic Control Systems

    Article • Mathematical Problems in Engineering, January 2013, Hindawi Publishing Corporation

    Wah June Leong, Prof. SARKHOSH SEDDIGHI CHAHARBORJ

  21. On the performance of a new symmetric rank-one method with restart for solving unconstrained optimization problems

    Article • Computers & Mathematics with Applications, September 2012, Elsevier

    Wah June Leong

  22. A new class of nonlinear conjugate gradient coefficients with global convergence properties

    Article • Applied Mathematics and Computation, July 2012, Elsevier

    Wah June Leong

  23. Accumulative Approach in Multistep Diagonal Gradient‐Type Method for Large‐Scale Unconstrained Optimization

    Article • Journal of Applied Mathematics, January 2012, Wiley

    Wah June Leong

  24. A Genetic Algorithm with Fuzzy Crossover Operator and Probability

    Article • Advances in Operations Research, January 2012, Hindawi Publishing Corporation

    Wah June Leong

  25. Scaled memoryless symmetric rank one method for large-scale optimization

    Article • Applied Mathematics and Computation, September 2011, Elsevier

    Wah June Leong

  26. A matrix-free quasi-Newton method for solving large-scale nonlinear systems

    Article • Computers & Mathematics with Applications, September 2011, Elsevier

    Wah June Leong

  27. Meeting the Desired Project Completion Time by Stretching Critical Activities

    Article • Trends in Applied Sciences Research, August 2011, Science Alert

    Wah June Leong

  28. Structured symmetric rank-one method for unconstrained optimization

    Article • International Journal of Computer Mathematics, August 2011, Taylor & Francis

    Wah June Leong

  29. A symmetric rank-one method based on extra updating techniques for unconstrained optimization

    Article • Computers & Mathematics with Applications, July 2011, Elsevier

    Wah June Leong

  30. A Comparative Study on Time-cost Trade-off Approaches within Critical Path Method

    Article • Journal of Applied Sciences, June 2011, Science Alert

    Wah June Leong

  31. An improved multi-step gradient-type method for large scale optimization

    Article • Computers & Mathematics with Applications, June 2011, Elsevier

    Wah June Leong

  32. A new gradient method via least change secant update

    Article • International Journal of Computer Mathematics, March 2011, Taylor & Francis

    Wah June Leong

  33. New quasi-Newton methods via higher order tensor models

    Article • Journal of Computational and Applied Mathematics, February 2011, Elsevier

    Wah June Leong

  34. Improved Hessian approximation with modified secant equations for symmetric rank-one method

    Article • Journal of Computational and Applied Mathematics, February 2011, Elsevier

    Wah June Leong

  35. A Low Memory Solver for Integral Equations of Chandrasekhar Type in the Radiative Transfer Problems

    Article • Mathematical Problems in Engineering, January 2011, Wiley

    Wah June Leong

  36. Convergence of Symmetric Rank-One method based on Modified Quasi-Newton equation

    Article • Journal of Mathematics Research, July 2010, Canadian Center of Science and Education

    Wah June Leong

  37. A new two-step gradient-type method for large-scale unconstrained optimization

    Article • Computers & Mathematics with Applications, May 2010, Elsevier

    Wah June Leong

  38. A new gradient method via quasi-Cauchy relation which guarantees descent

    Article • Journal of Computational and Applied Mathematics, August 2009, Elsevier

    Wah June Leong

  39. Scaled memoryless BFGS preconditioned steepest descent method for very large-scale unconstrained optimization

    Article • Journal of Information and Optimization Sciences, March 2009, Taru Publications

    Wah June Leong

  40. A restarting approach for the symmetric rank one update for unconstrained optimization

    Article • Computational Optimization and Applications, October 2007, Springer Science + Business Media

    Wah June Leong