平均值函數（mean functions）在多維分析上的檢定是很重要的一部份，以變異數分析．共變異數分析和迴歸分析作為應用的基礎,有關這個問題的檢定在隨機過程的資料中是比較少被研究．
　在這篇論文中，我們將討論布朗運動之線性和二次動向函數的同值檢定．

　Testing equality of mean functions is important in multivariate analysis.The application can be found in analysis of variance,analysis of covariance and regression.However,this testing problem is relatively less explored for stochastic processes datum.In this paper,we present homogeneous tests for linear quadratic drift functions of Brownian motions.

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