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Now showing items 1-10 of 13

#### A third order of accuracy difference scheme for Dirichlet type overdermined problem with mixed boundary value conditions

(Amer Inst Physics, 2016)

Approximation of Dirichlet type overdetermined multidimensional elliptic problem with Dirichlet-Neumann boundary conditions are discussed. A third order of accuracy difference scheme for its approximate solution is proposed. ...

#### A Third Order of Accuracy Difference Scheme for Bitsadze-Samarskii Type Elliptic Overdetermined Multi-Point Problem

(Amer Inst Physics, 2018)

In this study, a third order of accuracy difference scheme for Bitsadze-Samarskii type multi-point elliptic overdetermined problem is studied. For solution of constructed difference problem stability, almost coercive ...

#### Inverse Neumann problem for an equation of elliptic type

(Amer Inst Physics, 2014)

Inverse problem for an elliptic differential equation with Neumann conditions is considered. Stability and coercive stability estimates for the solution of inverse problem with the overdetermination are obtained. The first ...

#### Note on small singular values of sequences of matrices

(Amer Inst Physics, 2014)

In this paper, some sequences of matrices for matrix pencils are considered. Properties of small singular values of these matrices are investigated. Estimates for singular values are obtained. The result of computer ...

#### Well-posedness of a fourth order of accuracy difference scheme for the Neumann type overdetermined elliptic problem

(Amer Inst Physics, 2015)

In the present paper, inverse elliptic problem with Neumann type overdetermination is discussed. A fourth order of accuracy difference scheme for the solution of this identification problem is presented. Stability, almost ...

#### Finite Difference Approximations of First Order Derivatives of Complex-valued Functions

(Amer Inst Physics, 2018)

In this study, we generalize the well-known finite difference method to compute derivatives of a real-valued function to approximate complex derivatives w(z) and w((z) over bar) for complex-valued function w. Exploring ...

#### Approximation of the inverse elliptic problem with mixed boundary value conditions

(Amer Inst Physics, 2014)

The inverse problem for the multidimensional elliptic equation with Neumann-Dirichlet conditions are presented. For the approximate solution of this inverse problem the first and second order of accuracy in t and in space ...

#### Finite Difference Method for The Reverse Parabolic Problem with Neumann Condition

(Amer Inst Physics, 2012)

A finite difference method for the approximate solution of the reverse multidimensional parabolic differential equation with a multipoint boundary condition and Neumann condition is applied. Stability, almost coercive ...

#### Numerical Solution of the Nonlocal Reverse Parabolic Problem with Second Kind Boundary and Integral Conditions

(Amer Inst Physics, 2021)

In this work, we consider approximation of nonlocal reverse parabolic problem with second kind boundary and integral conditions. Stability and coercive stability estimates for solution of difference scheme are obtained. ...

#### On Well-posedness of Source Identification Elliptic Problem with Nonlocal Boundary Conditions

(Amer Inst Physics, 2021)

We study the well-posedness of the source identification problem for the two dimensional elliptic differential equation with nonlocal boundary conditions. Applying operator approaches, the exact estimates for the solution ...