• numerical mathematics, hierarchical matrices (H-matrices) are used as data-sparse approximations of non-sparse matrices. While a sparse matrix of dimension n...
    15 KB (2,149 words) - 21:04, 14 April 2025
  • A hierarchical organization or hierarchical organisation (see spelling differences) is an organizational structure where every entity in the organization...
    37 KB (4,087 words) - 23:07, 19 June 2025
  • function of many variables Hierarchical matrix, a data-sparse approximation of a non-sparse matrix Hilbert matrix, a square matrix with entries being the...
    1 KB (234 words) - 22:57, 5 November 2024
  • statistics, hierarchical clustering (also called hierarchical cluster analysis or HCA) is a method of cluster analysis that seeks to build a hierarchy of clusters...
    27 KB (3,067 words) - 05:29, 10 July 2025
  • curse in three steps: Hierarchical Clustering: Assets are grouped into clusters based on their correlations, forming a hierarchical tree structure. Quasi-Diagonalization:...
    30 KB (3,698 words) - 00:30, 24 June 2025
  • Thumbnail for Organizational chart
    organization. The different types of organization charts include: Hierarchical Matrix Flat (also known as Horizontal) There is no accepted form for making...
    8 KB (916 words) - 23:15, 29 April 2025
  • Thumbnail for List of named matrices
    matrices used in mathematics, science and engineering. A matrix (plural matrices, or less commonly matrixes) is a rectangular array of numbers called entries...
    32 KB (1,336 words) - 21:01, 14 April 2025
  • mathematics, computer science and especially graph theory, a distance matrix is a square matrix (two-dimensional array) containing the distances, taken pairwise...
    31 KB (4,098 words) - 17:36, 23 June 2025
  • published "Some hierarchical models for automatic document retrieval" in 1963 which also included a visual depiction of a document-term matrix. Salton was...
    11 KB (1,529 words) - 07:47, 14 June 2025
  • culture management and matrix management, amongst others. None of these however has left behind the core tenets of Bureaucracy. Hierarchies still exist, authority...
    48 KB (5,984 words) - 10:41, 18 July 2025
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    marketing hierarchy, an engineering-oriented company produced "many ground-breaking computer systems." This is an example of cross-functional matrix management...
    10 KB (1,044 words) - 22:30, 6 July 2025
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    diagrammatic representation is frequently used in different contexts: in hierarchical clustering, it illustrates the arrangement of the clusters produced by...
    7 KB (671 words) - 11:32, 23 June 2025
  • and take care of a local region alone (thus the name "local experts"). Hierarchical mixtures of experts uses multiple levels of gating in a tree. Each gating...
    44 KB (5,634 words) - 08:30, 12 July 2025
  • Thumbnail for Bailey's FFT algorithm
    Cooley–Tukey FFT algorithm was originally designed for systems with hierarchical memory common in modern computers (and was the first FFT algorithm in...
    5 KB (633 words) - 08:12, 18 November 2024
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    resin or thermoplastics as a binder Ceramic matrix composites (composite ceramic and metal matrices) Metal matrix composites advanced composite materials...
    96 KB (11,338 words) - 11:54, 15 July 2025
  • and Student B respectively. This represents a hierarchical data scheme. A solution to modeling hierarchical data is using linear mixed models. LMMs allow...
    23 KB (2,888 words) - 16:45, 25 June 2025
  • Thumbnail for Risk matrix
    A risk matrix is a matrix that is used during risk assessment to define the level of risk by considering the category of likelihood (often confused with...
    13 KB (1,462 words) - 07:57, 7 July 2025
  • in terms of a hierarchical matrix approximation (HODLR) or basis function expansion (LatticeKrig, MRA, wavelets). The hierarchical matrix approach can...
    12 KB (2,033 words) - 15:51, 26 November 2024
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    in military intelligence, for uncovering insurgent networks of both hierarchical and leaderless nature.[citation needed] With the recent explosion of...
    35 KB (3,959 words) - 04:41, 15 June 2025
  • Nonlinear mixed-effects model Bayesian hierarchical modeling Restricted randomization also known as hierarchical linear models, linear mixed-effect models...
    33 KB (4,923 words) - 17:38, 21 May 2025
  • matrix is represented as a sequential matrix of rows and the requirement is to access a single column of the matrix. Efficiency of memory hierarchy use:...
    16 KB (2,329 words) - 02:47, 21 July 2025
  • Thumbnail for Hierarchical navigable small world
    The Hierarchical navigable small world (HNSW) algorithm is a graph-based approximate nearest neighbor search technique used in many vector databases. Nearest...
    7 KB (638 words) - 13:36, 15 July 2025
  • Bauer integrated matrix and discrete systems into USQ, or Universal SQ. It was a hierarchical 4-4-4 discrete matrix that used the SQ matrix as the baseband...
    18 KB (2,192 words) - 00:52, 8 June 2024
  • inverse of the covariance matrix. Hierarchical: algorithms which approximate the covariance matrix with a hierarchical matrix. These columns are about...
    28 KB (1,681 words) - 20:44, 23 May 2025
  • computational complexity theory, the polynomial hierarchy (sometimes called the polynomial-time hierarchy) is a hierarchy of complexity classes that generalize...
    17 KB (2,826 words) - 14:50, 19 May 2025
  • used in many clustering techniques including K-means clustering and Hierarchical clustering. The Euclidean distance is a measure of the straight-line...
    17 KB (2,536 words) - 17:36, 18 July 2025
  • Thumbnail for Bouligand structure
    calcium carbonate are the minerals deposited in the chitin-protein hierarchical matrix. The sheep crab (Loxorhynchun grandis), like other crabs, has a highly...
    29 KB (3,608 words) - 17:40, 23 May 2025
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    2014-07-09. "Radeon Gallium3D Hierarchical-Z Updated (R600)". Radeon Gallium3D Hierarchical-Z Updated (R600). 2012-02-08. "Feature matrix of the free and open-source...
    4 KB (483 words) - 12:53, 27 August 2024
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    This is distinct from the pyramid scheme variation making use of the hierarchical flower model, where new members are continually recruited into the group...
    40 KB (4,359 words) - 07:19, 10 July 2025
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    powers of the graph's adjacency matrix gives the number of walks of length given by that power. Similarly, the matrix exponential is also closely related...
    47 KB (6,738 words) - 13:09, 11 March 2025