• 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
  • 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 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
  • 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
  • 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
  • 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
  • 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 Matrix management
    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
  • Thumbnail for Composite material
    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
  • 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
  • Thumbnail for Network theory
    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
  • 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
  • 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
  • Non-negative matrix factorization (NMF or NNMF), also non-negative matrix approximation is a group of algorithms in multivariate analysis and linear algebra...
    68 KB (7,783 words) - 02:31, 2 June 2025
  • in according quadrants in an Eisenhower matrix (also known as an Eisenhower box or Eisenhower decision matrix"). Tasks in the quadrants are then handled...
    29 KB (3,389 words) - 17:46, 16 July 2025
  • Thumbnail for Spectral clustering
    of the similarity matrix of the data to perform dimensionality reduction before clustering in fewer dimensions. The similarity matrix is provided as an...
    27 KB (3,562 words) - 02:56, 14 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
  • Complete-linkage clustering is one of several methods of agglomerative hierarchical clustering. At the beginning of the process, each element is in a cluster...
    14 KB (2,170 words) - 02:21, 7 May 2025
  • may be represented in hierarchical order. Modeling cognitive attributes using the AHM necessitates the specification of a hierarchy outlining the dependencies...
    38 KB (6,762 words) - 14:48, 31 December 2023
  • 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
  • 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
  • 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
  • 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
  • Thumbnail for Stochastic block model
    C_{r}} , called communities; a symmetric r × r {\displaystyle r\times r} matrix P {\displaystyle P} of edge probabilities. The edge set is then sampled...
    17 KB (2,073 words) - 22:46, 23 June 2025