• mathematics, the discrete Laplace operator is an analog of the continuous Laplace operator, defined so that it has meaning on a graph or a discrete grid. For...
    34 KB (5,716 words) - 14:50, 26 March 2025
  • In mathematics, the Laplace operator or Laplacian is a differential operator given by the divergence of the gradient of a scalar function on Euclidean...
    30 KB (4,682 words) - 03:20, 8 May 2025
  • Laplacian matrix can be viewed as a matrix form of the negative discrete Laplace operator on a graph approximating the negative continuous Laplacian obtained...
    45 KB (5,042 words) - 19:15, 16 May 2025
  • In differential geometry, the Laplace–Beltrami operator is a generalization of the Laplace operator to functions defined on submanifolds in Euclidean...
    20 KB (3,344 words) - 06:20, 21 June 2024
  • mathematics, the discrete Poisson equation is the finite difference analog of the Poisson equation. In it, the discrete Laplace operator takes the place...
    11 KB (1,963 words) - 14:21, 13 May 2025
  • _{i}^{2}u(x)} . The discrete Laplace operator Δ h u {\displaystyle \Delta _{h}u} depends on the dimension n {\displaystyle n} . In 1D the Laplace operator is approximated...
    21 KB (3,591 words) - 00:59, 20 May 2025
  • automaton Discrete differential geometry Discrete Laplace operator Calculus of finite differences, discrete calculus or discrete analysis Discrete Morse theory...
    38 KB (6,492 words) - 09:08, 15 April 2025
  • eigenfunctions) of the Laplace–Beltrami operator to compare and analyze geometric shapes. Since the spectrum of the Laplace–Beltrami operator is invariant under...
    12 KB (1,488 words) - 12:38, 18 November 2024
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    combinatorics. Topics in this area include: Discrete Laplace operator Discrete exterior calculus Discrete calculus Discrete Morse theory Topological combinatorics...
    15 KB (1,575 words) - 05:36, 16 October 2024
  • Laplacian vector field Laplace's equation Laplace operator Discrete Laplace operator Laplace–Beltrami operator Laplacian, see Laplace operator Infinity Laplacian...
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    vision) Feature extraction Discrete Laplace operator Prewitt operator Irwin Sobel, 2014, History and Definition of the Sobel Operator K. Engel (2006). Real-time...
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  • geometry processing and topological combinatorics. Discrete Laplace operator Discrete exterior calculus Discrete Morse theory Topological combinatorics Spectral...
    1 KB (136 words) - 19:04, 13 July 2024
  • formulating discrete operators on graphs which are analogous to differential operators in calculus, such as graph Laplacians (or discrete Laplace operators) as...
    22 KB (3,908 words) - 03:39, 1 March 2025
  • or (increasingly) of the graph's Laplacian matrix due to its discrete Laplace operator, which is either D − A {\displaystyle D-A} (sometimes called the...
    102 KB (13,617 words) - 15:46, 13 May 2025
  • In mathematics, the Laplace transform, named after Pierre-Simon Laplace (/ləˈplɑːs/), is an integral transform that converts a function of a real variable...
    75 KB (9,453 words) - 21:26, 7 May 2025
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    partial differential equations, elliptic operators are differential operators that generalize the Laplace operator. They are defined by the condition that...
    13 KB (2,093 words) - 04:02, 18 April 2025
  • integral operator Jacobi transform Laguerre transform Laplace transform Inverse Laplace transform Two-sided Laplace transform Inverse two-sided Laplace transform...
    3 KB (264 words) - 23:15, 12 March 2025
  • differential equation is discretized, for example by finite elements or finite differences, the discretization of the Poincaré–Steklov operator is the Schur complement...
    6 KB (758 words) - 02:31, 14 December 2023
  • mathematics, the infinity Laplace (or L ∞ {\displaystyle L^{\infty }} -Laplace) operator is a 2nd-order partial differential operator, commonly abbreviated...
    7 KB (1,258 words) - 23:48, 2 April 2024
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    functions may have a nowhere continuous convolution. In the discrete case, the difference operator D f(n) = f(n + 1) − f(n) satisfies an analogous relationship:...
    67 KB (8,819 words) - 15:20, 10 May 2025
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    – aperiodic signals, transients. Laplace transform – electronic circuits and control systems. Z transform – discrete-time signals, digital signal processing...
    10 KB (1,195 words) - 03:16, 1 February 2025
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    transfer function, which is the Laplace transform of the system's impulse response (or Z transform in the case of discrete-time systems). As a result of...
    36 KB (5,855 words) - 23:05, 1 September 2024
  • fact. Ladder operators then become ubiquitous in quantum mechanics from the angular momentum operator, to coherent states and to discrete magnetic translation...
    24 KB (4,537 words) - 09:27, 4 May 2025
  • Prewitt operator is used in image processing, particularly within edge detection algorithms. Technically, it is a discrete differentiation operator, computing...
    7 KB (1,013 words) - 10:56, 4 December 2024
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    Fourier transform (category Unitary operators)
    However, they do admit a Laplace domain description, with identical half-planes of convergence in the complex plane (or in the discrete case, the Z-plane),...
    177 KB (21,314 words) - 05:07, 23 May 2025
  • }}(A-zI)^{-1}~dz} defines a projection operator onto the λ eigenspace of A. The Hille–Yosida theorem relates the resolvent through a Laplace transform to an integral...
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    more noticeable in their viewing conditions.[citation needed] Discrete Laplace operator Acutance admin. "You should now turn down the sharpness of your...
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  • In discrete calculus the indefinite sum operator (also known as the antidifference operator), denoted by ∑ x {\textstyle \sum _{x}} or Δ − 1 {\displaystyle...
    14 KB (2,767 words) - 00:57, 31 January 2025
  • eigenvalues of discrete Laplace operator Kronecker sum of discrete Laplacians — used for Laplace operator in multiple dimensions Discrete Poisson equation...
    70 KB (8,335 words) - 20:20, 17 April 2025
  • Thumbnail for Kernel density estimation
    data point locations xi. Similar methods are used to construct discrete Laplace operators on point clouds for manifold learning (e.g. diffusion map). Kernel...
    39 KB (4,618 words) - 09:26, 6 May 2025