Edit Profile (opens in new tab) Ibiejugba, Matthew A. Co-Author Distance Author ID: ibiejugba.matthew-a Published as: Ibiejugba, M. A.; Ibiejugba, Matthew A. Documents Indexed: 23 Publications since 1982 1 Contribution as Editor Reviewing Activity: 84 Reviews Co-Authors: 13 Co-Authors with 19 Joint Publications 255 Co-Co-Authors all top 5 Co-Authors 5 single-authored 10 Evans, David John 4 Bamigbola, O. M. 4 Onumanyi, Peter 4 Reju, Sunday Augustus 2 Odekunle, M. Remilekun 2 Omolehin, J. O. 1 Adegbie, Kolawole Sunday 1 Alabi, M. O. 1 Ogunmoyela, K. 1 Olufeagba, B. J. 1 Onachi, A. E. 1 Oyatoye, E. O. 1 Rubio, Julio E. all top 5 Serials 11 International Journal of Computer Mathematics 5 Journal of Optimization Theory and Applications 2 Analele Științifice ale Universității Al. I. Cuza din Iași. (Serie Nouă.) Secțiunea Ia. Matematică-Informatică 1 Journal of Mathematical Analysis and Applications 1 Applied Mathematics and Computation 1 International Journal for Numerical Methods in Engineering 1 The Mathematics Student all top 5 Fields 21 Numerical analysis (65-XX) 12 Calculus of variations and optimal control; optimization (49-XX) 7 Operations research, mathematical programming (90-XX) 5 Ordinary differential equations (34-XX) 5 Systems theory; control (93-XX) 3 Partial differential equations (35-XX) 1 General and overarching topics; collections (00-XX) 1 Special functions (33-XX) 1 Approximations and expansions (41-XX) 1 Operator theory (47-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Fluid mechanics (76-XX) 1 Geophysics (86-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 15 Publications have been cited 52 times in 18 Documents Cited by ▼ Year ▼ A control operator and some of its applications. Zbl 0553.49022 Ibiejugba, M. A.; Onumanyi, P. 9 1984 A penalty optimization technique for a class of regulator problems. Zbl 0622.49014 Ibiejugba, M. A.; Rubio, J. E. 6 1988 The role of the multipliers in the multiplier method. Zbl 0549.49026 Ibiejugba, M. A. 5 1985 A penalty optimization technique for a class of regulator problems. III. Zbl 0681.90066 Ibiejugba, M. A. 5 1990 Conventional penalty optimization methods. Zbl 0579.49028 Ibiejugba, M. A.; Olufeagba, B. J. 3 1986 On the Ritz penalty method for solving the control of a diffusion equation. Zbl 0487.65039 Ibiejugba, M. A. 3 1983 An extended conjugate gradient algorithm for the diffusion equation. Zbl 0937.65069 Reju, Sunday A.; Ibiejugba, Matthew A.; Evans, David J. 3 1999 Higher order Chebyshev basis functions for two-point boundary value problems. Zbl 0655.65100 Bamigbola, O. M.; Ibiejugba, M. A.; Onumanyi, P. 3 1988 Analysis of Chebyshev finite element method for linear differential equations using equal interval elements. Zbl 1001.65527 Bamigbola, O. M.; Ibiejugba, M. A.; Evans, D. J. 2 1996 The construction of a control operator. Zbl 0512.49004 Ibiejugba, M. A. 2 1982 Convergence of optimal economic growth in an aggregative closed economy. Zbl 0667.90023 Ibiejugba, M. A.; Oyatoye, E. O. 2 1985 Analysis of Chebyshev finite element method for nonlinear differential equations. Zbl 0897.65054 Bamigbola, O. M.; Ibiejugba, M. A.; Evans, D. J. 1 1997 Complementary variational principles for a climatological model. Zbl 0488.49031 Ogunmoyela, K.; Ibiejugba, M. A. 1 1982 Computational results of the optimal control of the diffusion equation with the extended conjugate gradient algorithm. Zbl 0961.65064 Reju, Sunday A.; Ibiejugba, Matthew A.; Evans, David J. 1 2000 A new class of Adams-Bashforth schemes for ODEs. Zbl 1026.65053 Omolehin, J. O.; Ibiejugba, M. A.; Alabi, M. O.; Evans, D. J. 1 2003 A new class of Adams-Bashforth schemes for ODEs. Zbl 1026.65053 Omolehin, J. O.; Ibiejugba, M. A.; Alabi, M. O.; Evans, D. J. 1 2003 Computational results of the optimal control of the diffusion equation with the extended conjugate gradient algorithm. Zbl 0961.65064 Reju, Sunday A.; Ibiejugba, Matthew A.; Evans, David J. 1 2000 An extended conjugate gradient algorithm for the diffusion equation. Zbl 0937.65069 Reju, Sunday A.; Ibiejugba, Matthew A.; Evans, David J. 3 1999 Analysis of Chebyshev finite element method for nonlinear differential equations. Zbl 0897.65054 Bamigbola, O. M.; Ibiejugba, M. A.; Evans, D. J. 1 1997 Analysis of Chebyshev finite element method for linear differential equations using equal interval elements. Zbl 1001.65527 Bamigbola, O. M.; Ibiejugba, M. A.; Evans, D. J. 2 1996 A penalty optimization technique for a class of regulator problems. III. Zbl 0681.90066 Ibiejugba, M. A. 5 1990 A penalty optimization technique for a class of regulator problems. Zbl 0622.49014 Ibiejugba, M. A.; Rubio, J. E. 6 1988 Higher order Chebyshev basis functions for two-point boundary value problems. Zbl 0655.65100 Bamigbola, O. M.; Ibiejugba, M. A.; Onumanyi, P. 3 1988 Conventional penalty optimization methods. Zbl 0579.49028 Ibiejugba, M. A.; Olufeagba, B. J. 3 1986 The role of the multipliers in the multiplier method. Zbl 0549.49026 Ibiejugba, M. A. 5 1985 Convergence of optimal economic growth in an aggregative closed economy. Zbl 0667.90023 Ibiejugba, M. A.; Oyatoye, E. O. 2 1985 A control operator and some of its applications. Zbl 0553.49022 Ibiejugba, M. A.; Onumanyi, P. 9 1984 On the Ritz penalty method for solving the control of a diffusion equation. Zbl 0487.65039 Ibiejugba, M. A. 3 1983 The construction of a control operator. Zbl 0512.49004 Ibiejugba, M. A. 2 1982 Complementary variational principles for a climatological model. Zbl 0488.49031 Ogunmoyela, K.; Ibiejugba, M. A. 1 1982 all cited Publications top 5 cited Publications all top 5 Cited by 21 Authors 12 Ibiejugba, Matthew A. 6 Evans, David John 4 Reju, Sunday Augustus 2 Bamigbola, O. M. 1 Abel-Hamid, A. H. 1 Adegbie, Kolawole Sunday 1 Bhagat, Monu 1 Fallahi, Behrooz 1 Farag, Mahmoud H. 1 Heidari, Hanif 1 Ihejieto, Dan O. 1 Kadalbajoo, Mohan K. 1 Khater, Ahmed H. 1 Kumar, Dilip 1 Malek, Alaeddin 1 Olufeagba, B. J. 1 Onumanyi, Peter 1 Patidar, Kailash C. 1 Rubio, Julio E. 1 Seif, Mohamed 1 Shamardan, Ali B. all top 5 Cited in 8 Serials 8 International Journal of Computer Mathematics 4 Journal of Optimization Theory and Applications 1 International Journal of Mathematical Education in Science and Technology 1 Journal of Mathematical Analysis and Applications 1 Applied Mathematics and Computation 1 Journal of Computational and Applied Mathematics 1 Kybernetika 1 Journal of Difference Equations and Applications all top 5 Cited in 10 Fields 14 Numerical analysis (65-XX) 12 Calculus of variations and optimal control; optimization (49-XX) 5 Systems theory; control (93-XX) 4 Operations research, mathematical programming (90-XX) 3 Ordinary differential equations (34-XX) 2 Partial differential equations (35-XX) 1 Special functions (33-XX) 1 Fluid mechanics (76-XX) 1 Geophysics (86-XX) 1 Biology and other natural sciences (92-XX) Citations by Year