%0 Journal Article %A Zarina Bibi Ibrahim and Mohamed Suleiman and Khairil Iskandar Othman %D 2008 %J International Journal of Mathematical and Computational Sciences %B World Academy of Science, Engineering and Technology %I Open Science Index 16, 2008 %T Direct Block Backward Differentiation Formulas for Solving Second Order Ordinary Differential Equations %U https://publications.waset.org/pdf/7863 %V 16 %X In this paper, a direct method based on variable step size Block Backward Differentiation Formula which is referred as BBDF2 for solving second order Ordinary Differential Equations (ODEs) is developed. The advantages of the BBDF2 method over the corresponding sequential variable step variable order Backward Differentiation Formula (BDFVS) when used to solve the same problem as a first order system are pointed out. Numerical results are given to validate the method. %P 260 - 262