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CHOOSING OF OPTIMAL START APPROXIMATION FOR LAPLACE EQUATION NUMERICALLY SOLVING for setting an initial approximation for the numerical solution of the Laplace equation. We investigate

Bethe logarithm for the helium atom for the Rydberg states is analyzed, and a high-quality numerical approximation is found, which ensures 7-8-digit

The compact eighth-order of approximation difference schemes for fourth-order differential equation (FODEs) were explored. To tackle these problems numerically, we introduce novel compact four

Well-Posedness and Uniform Approximations of the Solution of a Boundary Value Problem for a Singular Integro-Differential Equation selected spaces, allows to use approximate methods for its solving. We propose a general projection method

Numerical methods of the decision differential the equations for continuous models of economy in article linear and nonlinear, and also the review of approximate methods of their decision. Expediency

A new algorithm used the Chebyshev pseudospectral method to solve the nonlinear second-order Lienard differential equationsThis article presents a numerical method to determine the approximate solutions of the Lienard

Approximate methods of the decision differential the equations for continuous models of economy the review of approximate methods of their decision. Expediency of use of this or that numerical methods

Numerical Solution of Time-Dependent Problems with Fractional Power Elliptic Operator approximation in space is employed. To construct approximation in time, standard two-level schemes are used

Approximation of Variational Eigenvalue ProblemsA variational eigenvalue problem in an infinite-dimensional Hilbert space is approximated by a

A minimization method with approximation of feasible set and epigraph of objective function belongs to the class of cutting-plane methods. When constructing approximate solutions to the problem

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