@techreport{oai:kyutech.repo.nii.ac.jp:00003659, author = {Komori, Yoshio and 小守, 良雄 and Burrage, Kevin}, month = {Oct}, note = {This paper gives a modification of a class of stochastic Runge-Kutta methods proposed in a paper by Komori (2007). The slight modification can reduce the computational costs of the methods signicantly., [Remark] The material in this report has been superseded by the following paper: Y. Komori and K. Burrage (2011), Supplement: Efficient weak second-order stochastic Runge-Kutta methods for non-commutative Stratonovich stochastic differential equations, Journal of Computational and Applied Mathematics, 235 (17), 5326-5329.}, title = {Supplement: Efficient Weak Second-order Stochastic Runge-Kutta Methods for Non-commutative Stochastic Differential Equations}, year = {2010}, yomi = {コモリ, ヨシオ} }