: Mathématiques: discrete Laplace operator

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discrete Laplace operator

In 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 the case of a finite-dimensional graph (having a finite number of edges and vertices), the discrete Laplace operator is more commonly called the Laplacian matrix.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Discrete_Laplace_operator)

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