University of Tabriz Computational Methods for Differential Equations 2345-3982 6 2 2018 04 01 An improved collocation method based on deviation of the error for solving BBMB equation 238 247 7220 EN Reza Parvaz Department of Mathematics, University of Mohaghegh Ardabili, 56199-11367 Ardabil, Iran Mohammad Zarebnia Department of Mathematics, University of Mohaghegh Ardabili, 56199-11367 Ardabil, Iran Journal Article 2017 07 04 In this paper, we improve b-spline collocation method for Benjamin-Bona-Mahony-Burgers (BBMB) by using defect correction principle. The exact finite difference scheme is used to find defect and the defect correction principle is used to improve collocation method. The method is tested on somemodel problems and the numerical results have been obtained<br /> and compared. Exact finite difference Defect principle Collocation method Deviation of the error https://cmde.tabrizu.ac.ir/article_7220_2fb10bac23a1e6594c9f8149de14d6f5.pdf