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通过构建微分方程计算出Vasicek-Ornstein-Uhlenbeck(VOU)过程的n阶原点距,并利用其各阶原点距给出VOU过程的拉普拉斯变换和特征函数.
By constructing the differential equation, the n-order origin distance of Vasicek-Ornstein-Uhlenbeck (VOU) process is calculated, and Laplace transform and eigenfunctions of VOU process are given by using the origin distance of each step.