| # | Line 861 | Line 861 | Careful choice of coefficient $a_1 \ldot b_m$ will lea | |
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| 861 | \varphi _{b_m h}^2 \circ \varphi _{a_m h}^1 \circ \varphi _{b_{m - | |
| 862 | 1} h}^2 \circ \ldots \circ \varphi _{a_1 h}^1 . | |
| 863 | \end{equation} | |
| 864 | < | Careful choice of coefficient $a_1 \ldot b_m$ will lead to higher |
| 864 | > | Careful choice of coefficient $a_1 \ldots b_m$ will lead to higher |
| 865 | order method. Yoshida proposed an elegant way to compose higher | |
| 866 | order methods based on symmetric splitting\cite{Yoshida1990}. Given | |
| 867 | a symmetric second order base method $ \varphi _h^{(2)} $, a | |
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