在考虑瞬态过程中动量扩散速度基础上，用拉普拉斯变换法对无限长平板突然起动瞬态动量定解方程进行了求解，并按涡量定义求出涡量分布函数。
Based on the limited momentum propagation velocity, this paper presents the solution of the transient momentum equation by Laplace transform. The distribution functions of velocity and eddy are given.
在数值实验中，对六个美式看跌期权价格进行了计算，通过分析比较，结果表明：快速傅里叶变换法加欧拉法是一种快速的高精度的数值计算方法。
By valuing six American put options, the numerical experiment and analysis show that the Euler method with FFT is a fast and highly accurate numerical method.
本文的主要工作就是对解析法中的保角变换法和格林函数法作了一些基础的研究和探讨。
The main work in the thesis is making some basal researches and study to conformal mapping method and Green function method.
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