quadratic form

名词 n.
中文释义

英文释义

名词 n.
  1. A homogeneous polynomial of degree 2 in a given number of variables.
    — Historically, quadratic form theory has been treated as a rich but misunderstood uncle.
  2. A scalar quantity of the form εᵀΛε, where ε is a vector of n random variables, and Λ is an n-dimensional symmetric matrix.
    — Quadratic forms of normal random vectors are of great importance in many branches of statistics, such as least-squares methods, the analysis of variance, regression analysis, and experimental design.

词形变化

quadratic forms plural
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