• 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 (3,071 words) - 00:47, 31 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...
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  • 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 (4,099 words) - 01:01, 30 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
  • 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
  • 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
  • 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
  • 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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    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
  • 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
  • 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
  • Thumbnail for Red pill and blue pill
    reality with the blue pill. The pills were used as props in the 1999 film The Matrix. Historians of film note that the trope of a "red pill" as decisive in a...
    33 KB (3,883 words) - 02:58, 1 August 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
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    generalization of Rosenblatt's perceptron to handle more complex, nonlinear, and hierarchical relationships. A 1971 paper described a deep network with eight layers...
    183 KB (18,116 words) - 23:26, 2 August 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
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    Anthony Skjellum: A framework for high-performance matrix multiplication based on hierarchical abstractions, algorithms and optimized low-level kernels...
    21 KB (2,708 words) - 18:03, 16 July 2025
  • 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
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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
  • 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
  • Thumbnail for Pyramid scheme
    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
  • have been cited 12180 times, and he has an h-index of 46. Hierarchical Algorithms on Hierarchical Architectures, D. Keyes, H. Ltaief & G. Turkiyyah, 2020...
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  • temporary matrix T, but a more practical variant achieves Θ(n2) speedup, without using a temporary matrix. On modern architectures with hierarchical memory...
    39 KB (4,483 words) - 13:22, 24 June 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