• 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
  • Laplacian vector field Laplace's equation Laplace operator Discrete Laplace operator Laplace–Beltrami operator Laplacian, see Laplace operator Infinity Laplacian...
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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
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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
  • 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
  • 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
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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
  • 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
  • differential equation is discretized, for example by finite elements or finite differences, the discretization of the Poincaré–Steklov operator is the Schur complement...
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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
  • 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
  • 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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    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
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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
  • 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
  • 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
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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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  • 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
  • }}(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...
    6 KB (871 words) - 01:13, 3 July 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) - 02:27, 24 May 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
  • \nabla ^{2}} . In three dimensions using Cartesian coordinates the Laplace operator is ∇ 2 = ∂ 2 ∂ x 2 + ∂ 2 ∂ y 2 + ∂ 2 ∂ z 2 {\displaystyle \nabla ^{2}={\frac...
    29 KB (5,042 words) - 04:03, 21 April 2025