%0 Journal Article %A Davod Khojasteh Salkuyeh %D 2009 %J International Journal of Mathematical and Computational Sciences %B World Academy of Science, Engineering and Technology %I Open Science Index 33, 2009 %T Stepsize Control of the Finite Difference Method for Solving Ordinary Differential Equations %U https://publications.waset.org/pdf/11434 %V 33 %X An important task in solving second order linear ordinary differential equations by the finite difference is to choose a suitable stepsize h. In this paper, by using the stochastic arithmetic, the CESTAC method and the CADNA library we present a procedure to estimate the optimal stepsize hopt, the stepsize which minimizes the global error consisting of truncation and round-off error. %P 757 - 761