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Ryuei Nishii 《统计学通讯:理论与方法》2013,42(7):2657-2662
In the class of all densities with constraints E bi(X) = c,(i = 1,....,q), it is well known that the entropy is maximized by the density belonging to the exponential family specified by bi(x), i = 1,....,q. Our aim in this note is to generalize theresult by using expected log likelihood. 相似文献
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Ryuei Nishii 《统计学通讯:理论与方法》2013,42(6):2021-2035
We consider the identity associated with the expected values of the matrix-valued quadratic forms of two random matrices. As a special case the identity yields the matrix-valued inequality of the Schwarz type. The most important application is for Loewner's theory in the context of the operator-monotone function, and the inequalities based on the concavityconvexity of the matrix-valued functions are derived. 相似文献
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