Search Results - "Pourgholi, R."
-
1
A numerical technique for solving IHCPs using Tikhonov regularization method
Published in Applied mathematical modelling (01-08-2010)“…This study is intended to provide a numerical algorithm for solving a one-dimensional inverse heat conduction problem. The given heat conduction equation, the…”
Get full text
Journal Article -
2
Identification of a Time Dependent Source Function in a Parabolic Inverse Problem Via Finite Element Approach
Published in Indian journal of pure and applied mathematics (01-12-2020)“…In the present paper, we study one-dimensional inverse source problem of identifying a time-dependent source function from the over-specification condition…”
Get full text
Journal Article -
3
Existence and uniqueness of a solution for a two dimensional nonlinear inverse diffusion problem
Published in Nonlinear analysis (01-04-2011)“…The problem of identifying the coefficient in a square porous medium is considered. It is shown that under certain conditions of data f,g, and for a properly…”
Get full text
Journal Article -
4
A Numerical Method for Solving of a Nonlinear Inverse Diffusion Problem
Published in Computers & mathematics with applications (1987) (01-09-2006)“…In this paper, we will first study the existence and uniqueness of the solution for a one-dimensional nonlinear inverse diffusion problem via an auxiliary…”
Get full text
Journal Article -
5
Numerical approximation of solution of an inverse heat conduction problem based on Legendre polynomials
Published in Applied mathematics and computation (15-04-2006)“…In this paper, we consider an inverse heat conduction problem (IHCP). The given heat conduction equation, the boundary condition, and the initial condition are…”
Get full text
Journal Article -
6
A numerical method for solving a nonlinear inverse parabolic problem
Published in Inverse problems in science and engineering (01-01-2010)“…This study is motivated by a desire to obtain a numerical approach combining the use of the finite difference method with the solution of ordinary differential…”
Get full text
Journal Article -
7
Removal of numerical instability in the solution of an inverse heat conduction problem
Published in Communications in nonlinear science & numerical simulation (01-06-2009)“…In this paper, we consider an inverse heat conduction problem (IHCP). A set of temperature measurements at a single sensor location inside the heat conduction…”
Get full text
Journal Article -
8
Application of finite difference method to analysis an ill-posed problem
Published in Applied mathematics and computation (15-09-2005)“…In this paper, a numerical solution of an inverse non-dimensional heat conduction problem will be considered. By using a sensor located at a point inside the…”
Get full text
Journal Article -
9
A numerical solution of an inverse parabolic problem with unknown boundary conditions
Published in Applied mathematics and computation (01-06-2007)“…A numerical approach combining the use of the finite difference method with the solution of ordinary differential equation (ODE) is proposed for the…”
Get full text
Journal Article -
10
A numerical solution technique for a one-dimensional inverse nonlinear parabolic problem
Published in Applied mathematics and computation (15-01-2007)“…This study is intended to provide a new numerical algorithm for solving a one-dimensional inverse nonlinear parabolic problem. At the beginning of the study,…”
Get full text
Journal Article -
11
The Undirected Power Graph of a Finite Group
Published in Bulletin of the Malaysian Mathematical Sciences Society (01-10-2015)“…The power graph P ( G ) of a group G is the graph which has a vertex set of the group elements and two elements are adjacent if one is a power of the other…”
Get full text
Journal Article -
12
Numerical approximation for inverse problem of the Ostrovsky–Burgers equation
Published in Iranian journal of numerical analysis and optimization (01-03-2022)“…This article considers a nonlinear inverse problem of the Ostrovsky–Burgers equation by using noisy data. Two B-Splines with different levels, the quintic…”
Get full text
Journal Article -
13
Segmentation Assisted Object Distinction for Direct Volume Rendering
Published in Journal of AI and data mining (01-01-2020)“…Ray Casting is a direct volume rendering technique for visualizing 3D arrays of sampled data. It has vital applications in medical and biological imaging…”
Get full text
Journal Article -
14
An efficient hybrid algorithm based on genetic algorithm (GA) and Nelder–Mead (NM) for solving nonlinear inverse parabolic problems
Published in Iranian journal of numerical analysis and optimization (01-10-2018)“…In this paper a hybrid algorithm based on genetic algorithm (GA) and Nelder–Mead (NM) simplex search method is combined with least squares method for the…”
Get full text
Journal Article -
15
The time-dependent diffusion equation: An inverse diffusivity problem
Published in Iranian journal of numerical analysis and optimization (01-03-2021)“…We find a solution of an unknown time-dependent diffusivity a(t) in a linear inverse parabolic problem by a modified genetic algorithm. At first, it is shown…”
Get full text
Journal Article -
16
Applications of Haar basis method for solving some ill-posed inverse problems
Published in Journal of mathematical chemistry (01-09-2012)“…In this paper a numerical method consists of combining Haar basis method and Tikhonov regularization method for solving some ill-posed inverse problems using…”
Get full text
Journal Article -
17
Edge-maximality of power graphs of finite cyclic groups
Published in Journal of algebraic combinatorics (01-09-2014)“…We show that among all finite groups of any given order, the cyclic group of that order has the maximum number of edges in its power graph…”
Get full text
Journal Article -
18
An Euler totient sum inequality
Published in Journal of number theory (01-06-2016)Get full text
Journal Article