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  2. Gradient discretisation method - Wikipedia

    en.wikipedia.org/wiki/Gradient_discretisation_method

    More precisely, the GDM starts by defining a Gradient Discretization (GD), which is a triplet = (,,,), where: the set of discrete unknowns X D , 0 {\displaystyle X_{D,0}} is a finite dimensional real vector space,

  3. List of mathematics competitions - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematics...

    Canadian Open Mathematics Challenge — Canada's premier national mathematics competition open to any student with an interest in and grasp of high school math and organised by Canadian Mathematical Society; Canadian Mathematical Olympiad — competition whose top performers represent Canada at the International Mathematical Olympiad

  4. Discrete Fourier transform - Wikipedia

    en.wikipedia.org/wiki/Discrete_Fourier_transform

    Discretization and periodic summation of the scaled Gaussian functions for >. Since either c {\displaystyle c} or 1 c {\displaystyle {\frac {1}{c}}} is larger than one and thus warrants fast convergence of one of the two series, for large c {\displaystyle c} you may choose to compute the frequency spectrum and convert to the time domain using ...

  5. Finite-difference time-domain method - Wikipedia

    en.wikipedia.org/wiki/Finite-difference_time...

    Partial chronology of FDTD techniques and applications for Maxwell's equations. [5]year event 1928: Courant, Friedrichs, and Lewy (CFL) publish seminal paper with the discovery of conditional stability of explicit time-dependent finite difference schemes, as well as the classic FD scheme for solving second-order wave equation in 1-D and 2-D. [6]

  6. Finite element method - Wikipedia

    en.wikipedia.org/wiki/Finite_element_method

    The following two problems demonstrate the finite element method. P1 is a one-dimensional problem : {″ = (,), = =, where is given, is an unknown function of , and ″ is the second derivative of with respect to .

  7. Mathematical optimization - Wikipedia

    en.wikipedia.org/wiki/Mathematical_optimization

    Consider the following notation: (+)This denotes the minimum value of the objective function x 2 + 1, when choosing x from the set of real numbers.The minimum value in this case is 1, occurring at x = 0.

  8. Central differencing scheme - Wikipedia

    en.wikipedia.org/wiki/Central_differencing_scheme

    Figure 1.Comparison of different schemes. In applied mathematics, the central differencing scheme is a finite difference method that optimizes the approximation for the differential operator in the central node of the considered patch and provides numerical solutions to differential equations. [1]

  9. Mathematical analysis - Wikipedia

    en.wikipedia.org/wiki/Mathematical_analysis

    Harmonic analysis is a branch of mathematical analysis concerned with the representation of functions and signals as the superposition of basic waves. This includes the study of the notions of Fourier series and Fourier transforms ( Fourier analysis ), and of their generalizations.

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