M. A. Ibiejugba
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School of Mathematics University of Leeds; Leeds, ENGLAND

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Research

  1. Bamigbola, O. M.; Ibiejugba, M. A.; Evans, D. J. Analysis of Chebyshev finite element method for linear differential equations using equal interval elements. Int. J. Comput. Math. 62 (1996), no. 1-2, 113--130.
  2. Ibiejugba, M. A.; Omolehin, J. O. Laplace representation of solution of reaction-diffusion equations. J. Nigerian Math. Soc. 13 (1994), 103--116.
  3. Ibiejugba, M. A.; Odekunle, R.; Onumanyi, P. A computational implementation of an error estimation of the Lanczos-Chebyshev method for linear boundary value problems. Special issue in honour of Professor James O. C. Ezeilo. J. Nigerian Math. Soc. 11 (1992), no. 3, 107--122.
  4. Bamigbola, O. M.; Ibiejugba, M. A. A Galerkin weighted residual finite element method for linear differential equations. Special issue in honour of Professor James O. C. Ezeilo. J. Nigerian Math. Soc. 11 (1992), no. 3, 139--146.
  5. Ibiejugba, M. A.; Otunta, F.; Olorunsola, S. A. The role of the multipliers in the multiplier methods. III. Memorial issue for Professor Adegoke Olubumm\d o. J. Nigerian Math. Soc. 11 (1992), no. 2, 115--131.
  6. Ibiejugba, M. A.; Olorunsola, S. A.; Otunta, F.; Aderibigbe, F. M.; Rubio, J. E. The role of the multipliers in the multiplier methods. II. Memorial issue for Professor Adegoke Olubumm\d o. J. Nigerian Math. Soc. 11 (1992), no. 2, 81--104.
  7. Ibiejugba, M. A.; Aderibigbe, F. M.; Adegboye, O. S. Parameter selection for a delay equation. J. Nigerian Math. Soc. 9 (1990), 77--93.
  8. Ibiejugba, M. A. A penalty optimization technique for a class of regulator problems. III. J. Optim. Theory Appl. 64 (1990), no. 3, 537--556.
  9. Ibiejugba, M. A.; Rubio, J. E.; Orisamolu, I. A penalty optimization technique for a class of regulator problems. Abacus 17 (1986), no. 1, 19--50.
  10. Ibiejugba, M. A.; Rubio, J. E. A penalty optimization technique for a class of regulator problems. J. Optim. Theory Appl. 58 (1988), no. 1, 39--62.
  11. Bamigbola, O. M.; Ibiejugba, M. A.; Onumanyi, P. Higher order Chebyshev basis functions for two-point boundary value problems. Internat. J. Numer. Methods Engrg. 26 (1988), no. 2, 313--327.
  12. Ibiejugba, M. A.; Olufeagba, B. J. Conventional penalty optimization methods. J. Optim. Theory Appl. 51 (1986), no. 2, 293--306.
  13. Ibiejugba, M. A.; Oyatoye, E. O. Convergence of optimal economic growth in an aggregative closed economy. Computational mathematics, I (Benin City, 1983), 127--132, Boole Press Conf. Ser., 8, Boole, Dún Laoghaire, 1985.
  14. Ibiejugba, M. A.; Onumanyi, P. On some new Chebyshev polynomial basis functions in $C\sp 0$ spaces. Computational mathematics, I (Benin City, 1983), 120--126, Boole Press Conf. Ser., 8, Boole, Dún Laoghaire, 1985.
  15. Ibiejugba, M. A. The role of the multipliers in the multiplier method. J. Optim. Theory Appl. 47 (1985), no. 2, 195--216.
  16. Ibiejugba, M. A.; Onumanyi, P. A control operator and some of its applications. J. Math. Anal. Appl. 103 (1984), no. 1, 31--47.
  17. Ibiejugba, M. A. On the Ritz penalty method for solving the control of a diffusion equation. J. Optim. Theory Appl. 39 (1983), no. 3, 431--449.
  18. Ibiejugba, M. A. Stability of difference schemes of linear ordinary differential equations ($n$th order) with defining polynomial possessing repeated roots on the unit circle. Math. Student 46 (1978), no. 2-4, 351--358 (1982).
  19. Ogunmoyela, K.; Ibiejugba, M. A. Complementary variational principles for a climatological model. An. \cedla Stiin\cedla t. Univ. "Al. I. Cuza" Ia\cedla si Sec\cedla t. I a Mat. (N.S.) 28 (1982), no. 1, 171--176.

 

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