翻訳と辞書 Words near each other ・ Quadrate pebblesnail ・ Quadrate tubercle ・ Quadrathlon ・ Quadratic ・ Quadratic (collection) ・ Quadratic algebra ・ Quadratic assignment problem ・ Quadratic bottleneck assignment problem ・ Quadratic classifier ・ Quadratic configuration interaction ・ Quadratic differential ・ Quadratic eigenvalue problem ・ Quadratic equation ・ Quadratic field ・ Quadratic form ・ Quadratic form (statistics) ・ Quadratic formula ・ Quadratic Frobenius test ・ Quadratic function ・ Quadratic Gauss sum ・ Quadratic growth ・ Quadratic integer ・ Quadratic integral ・ Quadratic integrate and fire ・ Quadratic irrational ・ Quadratic Jordan algebra ・ Quadratic Lie algebra ・ Quadratic mean diameter ・ Quadratic pair ・ Quadratic probing Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Quadratic form (statistics) ： ウィキペディア英語版 Quadratic form (statistics) In multivariate statistics, if $\backslash epsilon$ is a vector of $n$ random variables, and $\backslash Lambda$ is an $n$-dimensional symmetric matrix, then the scalar quantity $\backslash epsilon^T\backslash Lambda\backslash epsilon$ is known as a quadratic form in $\backslash epsilon$. ==Expectation== It can be shown that :$\backslash operatorname\backslash left()=\backslash operatorname\backslash left(\backslash Sigma\backslash right)\; +\; \backslash mu^T\backslash Lambda\backslash mu$ where $\backslash mu$ and $\backslash Sigma$ are the expected value and variance-covariance matrix of $\backslash epsilon$, respectively, and tr denotes the trace of a matrix. This result only depends on the existence of $\backslash mu$ and $\backslash Sigma$; in particular, normality of $\backslash epsilon$ is ''not'' required. A book treatment of the topic of quadratic forms in random variables is 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Quadratic form (statistics)」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.