MultivariateStatistics`
MultivariateStatistics`

QuadraticFormDistribution

QuadraticFormDistribution[{a,b,c},{μ,Σ}]

多変量正規ベクトル z の二次形式 z.a.z+b.z+c の分布を表す.

詳細とオプション

例題

すべて開くすべて閉じる

  (2)

二次形式分布の平均:

二次形式分布の分散:

スコープ  (3)

二次形式分布に従う擬似乱数集合を発生させる:

考えられる問題  (2)

確率密度関数と累積分布関数は,Seriesを使わないと評価できない:

級数展開は分布の下部サポート点付近でなければならない:

無効なパラメータを記号的出力に代入すると,意味をなさない結果となる:

Wolfram Research (2007), QuadraticFormDistribution, Wolfram言語関数, https://reference.wolfram.com/language/MultivariateStatistics/ref/QuadraticFormDistribution.html.

テキスト

Wolfram Research (2007), QuadraticFormDistribution, Wolfram言語関数, https://reference.wolfram.com/language/MultivariateStatistics/ref/QuadraticFormDistribution.html.

CMS

Wolfram Language. 2007. "QuadraticFormDistribution." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/MultivariateStatistics/ref/QuadraticFormDistribution.html.

APA

Wolfram Language. (2007). QuadraticFormDistribution. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/MultivariateStatistics/ref/QuadraticFormDistribution.html

BibTeX

@misc{reference.wolfram_2024_quadraticformdistribution, author="Wolfram Research", title="{QuadraticFormDistribution}", year="2007", howpublished="\url{https://reference.wolfram.com/language/MultivariateStatistics/ref/QuadraticFormDistribution.html}", note=[Accessed: 22-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_quadraticformdistribution, organization={Wolfram Research}, title={QuadraticFormDistribution}, year={2007}, url={https://reference.wolfram.com/language/MultivariateStatistics/ref/QuadraticFormDistribution.html}, note=[Accessed: 22-November-2024 ]}