About: Quadratic form (statistics)

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In multivariate statistics, if is a vector of random variables, and is an -dimensional symmetric matrix, then the scalar quantity is known as a quadratic form in .

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  • In multivariate statistics, if is a vector of random variables, and is an -dimensional symmetric matrix, then the scalar quantity is known as a quadratic form in . (en)
  • 在多元变量统计中，如果 为 维， 是一个 维对称矩阵，则随机变量 称为 的二次型。 (zh)
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  • In multivariate statistics, if is a vector of random variables, and is an -dimensional symmetric matrix, then the scalar quantity is known as a quadratic form in . (en)
  • 在多元变量统计中，如果 为 维， 是一个 维对称矩阵，则随机变量 称为 的二次型。 (zh)
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  • Quadratic form (statistics) (en)
  • 二次型 (统计) (zh)
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