• in regression analysis, a design matrix, also known as model matrix or regressor matrix and often denoted by X, is a matrix of values of explanatory variables...
    9 KB (1,591 words) - 21:03, 14 April 2025
  • Thumbnail for Design structure matrix
    matrix, problem solving matrix (PSM), incidence matrix, N2 matrix, interaction matrix, dependency map or design precedence matrix) is a simple, compact...
    12 KB (1,635 words) - 21:04, 19 March 2025
  • statistics, the projection matrix ( P ) {\displaystyle (\mathbf {P} )} , sometimes also called the influence matrix or hat matrix ( H ) {\displaystyle (\mathbf...
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  • vector calculus, the Jacobian matrix (/dʒəˈkoʊbiən/, /dʒɪ-, jɪ-/) of a vector-valued function of several variables is the matrix of all its first-order partial...
    26 KB (3,712 words) - 21:05, 14 April 2025
  • The Matrix is a 1999 science fiction action film written and directed by the Wachowskis. It is the first installment in the Matrix film series, starring...
    170 KB (16,884 words) - 17:03, 30 April 2025
  • varied in this way. The design matrix for a central composite design experiment involving k factors is derived from a matrix, d, containing the following...
    5 KB (726 words) - 02:50, 27 December 2024
  • Axiomatic design is a systems design methodology using matrix methods to systematically analyze the transformation of customer needs into functional requirements...
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  • error term, σ 2 {\displaystyle \sigma ^{2}} ); X is the regression design matrix — a matrix such that Xi, j+1 is the value of the jth independent variable...
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  • matrix, binary matrix, relation matrix, Boolean matrix, or (0, 1)-matrix is a matrix with entries from the Boolean domain B = {0, 1}. Such a matrix can...
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  • scores on the Matrix Reasoning and Block Design subtests. A Full Scale IQ-2 (FSIQ-2) can be derived from the raw scores on the Matrix Reasoning and Vocabulary...
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  • In linear algebra, a Vandermonde matrix, named after Alexandre-Théophile Vandermonde, is a matrix with the terms of a geometric progression in each row:...
    24 KB (5,263 words) - 11:31, 30 April 2025
  • Look up Matrix, matrix, matrixes, or matrices in Wiktionary, the free dictionary. Matrix (pl.: matrices or matrixes) or MATRIX may refer to: Matrix (mathematics)...
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  • variables that might be a design matrix (each column being a set of observations on one of the independent variables), B is a matrix containing parameters...
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  • Thumbnail for Matrix multiplication
    columns in the first matrix must be equal to the number of rows in the second matrix. The resulting matrix, known as the matrix product, has the number...
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  • simple model, the design matrix is X = [ 1 x 1 ⋮ ⋮ 1 x n ] {\displaystyle X=\left[{\begin{matrix}1&x_{1}\\\vdots &\vdots \\1&x_{n}\end{matrix}}\right]} and...
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  • X {\displaystyle X} is the design matrix for the regression problem and Σ {\displaystyle \Sigma } is the covariance matrix of the residuals. The least...
    10 KB (1,074 words) - 13:41, 9 February 2025
  • covariance matrix. The Aitken estimator is also a BLUE. In most treatments of OLS, the regressors (parameters of interest) in the design matrix X {\displaystyle...
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  • in the Matrix franchise to be directed solely by Lana. It is the sequel to The Matrix Revolutions (2003) and the fourth installment in The Matrix film series...
    104 KB (9,633 words) - 15:55, 27 April 2025
  • The Matrix is an American cyberpunk media franchise consisting of four feature films, beginning with The Matrix (1999) and continuing with three sequels...
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  • This is a list of characters from The Matrix franchise universe. Many of the characters listed here have names reflecting certain aspects of them, such...
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  • fixed effects design matrix, and fixed effects respectively; Z {\textstyle Z} and u {\textstyle u} are the random effects design matrix and random effects...
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  • Thumbnail for Matrix (mathematics)
    In mathematics, a matrix (pl.: matrices) is a rectangular array or table of numbers, symbols, or expressions, with elements or entries arranged in rows...
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  • Multicollinearity (category Design of experiments)
    is perfect collinearity, the design matrix X {\displaystyle X} has less than full rank, and therefore the moment matrix X T X {\displaystyle X^{\mathsf...
    21 KB (2,391 words) - 15:49, 9 April 2025
  • matrix, p {\displaystyle p} is the number of covariates or predictors for each observation, and X {\displaystyle \mathbf {X} } is the design matrix including...
    22 KB (3,666 words) - 09:44, 13 March 2025
  • of independent random variables). The matrix X {\displaystyle \mathbf {X} } is sometimes called the design matrix. Usually a constant is included as one...
    75 KB (10,427 words) - 11:32, 30 April 2025
  • Thumbnail for Ordinary least squares
    {X} } is an n × p {\displaystyle n\times p} matrix of regressors, also sometimes called the design matrix, whose row i {\displaystyle i} is x i T {\displaystyle...
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  • {var} ({\boldsymbol {\epsilon }})=R} ; X {\displaystyle X} is the known design matrix for the fixed effects relating the observations y {\displaystyle {\boldsymbol...
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  • The Matrix Reloaded is a 2003 American science fiction action film written and directed by the Wachowskis. It is the sequel to The Matrix (1999) and the...
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  • Thumbnail for Toyota Matrix
    mechanically, and nearly as much internally, the Matrix and Vibe had different sheetmetal and exterior trim designed by their respective brands. Both vehicles...
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  • computer science, an adjacency matrix is a square matrix used to represent a finite graph. The elements of the matrix indicate whether pairs of vertices...
    20 KB (2,453 words) - 21:01, 14 April 2025