随机微分方程的求解现在是一个挑战性课题，这里给出一个外国人编写的关于随机微分方程的求解的工具箱，希望能帮助各位同行，同时有问题一起讨论。-Solution of stochastic differential equation is a challenging task, where a foreigner is given on the preparation of the solution of stochastic differential equation toolbox, hope t