Journal: Numerical Algorithms

Found 192 papers in total
An efficient algorithm for sparse null space basis problem using ABS methods
An efficient algorithm for sparse null space basis problem using ABS methods
2013,
We propose a way to use the Markowitz pivot selection criterion for choosing the...
NPTool: a Matlab software for nonnegative image restoration with Newton projection methods
NPTool: a Matlab software for nonnegative image restoration with Newton projection methods
2013,
Several image restoration applications require the solution of nonnegatively...
Recursive self preconditioning method based on Schur complement for Toeplitz matrices
Recursive self preconditioning method based on Schur complement for Toeplitz matrices
2013,
In this paper, we propose to solve the Toeplitz linear systems T n x = b by a...
Numerical solution of eighth order boundary value problems in reproducing Kernel space
Numerical solution of eighth order boundary value problems in reproducing Kernel space
2013,
In this paper, the approximate solutions to the eighth‐order...
Novel modifications of parallel Jacobi algorithms
Novel modifications of parallel Jacobi algorithms
2012,
We describe two main classes of one‐sided trigonometric and hyperbolic...
Moving mesh method for problems with blow‐up on unbounded domains
Moving mesh method for problems with blow‐up on unbounded domains
2012,
This paper studies the numerical solutions of semilinear parabolic partial...
Global convergence of a modified Hestenes‐Stiefel nonlinear conjugate gradient method with Armijo line search
Global convergence of a modified Hestenes‐Stiefel nonlinear conjugate gradient method with Armijo line search
2012,
In this article, based on the modified secant equation, we propose a modified...
Error‐free transformations of matrix multiplication by using fast routines of matrix multiplication and its applications
Error‐free transformations of matrix multiplication by using fast routines of matrix multiplication and its applications
2012,
This paper is concerned with accurate matrix multiplication in floating‐point...
Fitted finite difference method for singularly perturbed delay differential equations
Fitted finite difference method for singularly perturbed delay differential equations
2012,
This paper deals with singularly perturbed initial value problem for linear...
Computational uncertainty and the application of a high‐performance multiple precision scheme to obtaining the correct reference solution of Lorenz equations
Computational uncertainty and the application of a high‐performance multiple precision scheme to obtaining the correct reference solution of Lorenz equations
2012,
The computational uncertainty principle (CUP) is applied to explain the experimental...
Weighted compound integration rules with higher order convergence for all N
Weighted compound integration rules with higher order convergence for all N
2012,
Quasi‐Monte Carlo integration rules, which are equal‐weight sample...
Parameter‐robust numerical method for a system of singularly perturbed initial value problems
Parameter‐robust numerical method for a system of singularly perturbed initial value problems
2012,
In this work we study a system of M ( ≥ 2) first‐order singularly perturbed...
Systems of nonlinear Volterra integro‐differential equations
Systems of nonlinear Volterra integro‐differential equations
2012,
An efficient method based on operational Tau matrix is developed, to solve a type of...
Solutions of nonlinear thickness‐shear vibrations of an infinite isotropic plate with the homotopy analysis method
Solutions of nonlinear thickness‐shear vibrations of an infinite isotropic plate with the homotopy analysis method
2012,
As a preliminary attempt for the study on nonlinear vibrations of a finite crystal...
Cyclic coordinate descent in hydrothermal nonsmooth problems
Cyclic coordinate descent in hydrothermal nonsmooth problems
2012,
In this paper we present an algorithm, inspired by the cyclic coordinate descent...
An improved non‐local boundary value problem method for a cauchy problem of the Laplace equation
An improved non‐local boundary value problem method for a cauchy problem of the Laplace equation
2012,
In this paper, we propose an improved non‐local boundary value problem method...
Second order modified method of characteristics mixed defect‐correction finite element method for time dependent Navier–Stokes problems
Second order modified method of characteristics mixed defect‐correction finite element method for time dependent Navier–Stokes problems
2012,
In this paper, a second order modified method of characteristics...
Algorithms for the Split Variational Inequality Problem
Algorithms for the Split Variational Inequality Problem
2012,
We propose a prototypical Split Inverse Problem (SIP) and a new variational problem,...
Algorithms for range restricted iterative methods for linear discrete ill‐posed problems
Algorithms for range restricted iterative methods for linear discrete ill‐posed problems
2012,
Range restricted iterative methods based on the Arnoldi process are attractive for the...
Improved local analysis for a certain class of iterative methods with cubic convergence
Improved local analysis for a certain class of iterative methods with cubic convergence
2012,
We use Lipschitz and center‐Lipschitz conditions to provide an improved local...
An efficient nonmonotone trust‐region method for unconstrained optimization
An efficient nonmonotone trust‐region method for unconstrained optimization
2012,
The monotone trust‐region methods are well‐known techniques for solving...
Non‐polynomial quintic spline solution for the system of third order boundary‐value problems
Non‐polynomial quintic spline solution for the system of third order boundary‐value problems
2012,
In this paper we develop a non‐polynomial quintic spline function to...
A note on spectrum analysis of augmentation block Schur complement preconditioners
A note on spectrum analysis of augmentation block Schur complement preconditioners
2012,
In this note, as a generalization of the preconditioner presented by Greif et al....
A comparison of asymptotic analytical formulae with finite‐difference approximations for pricing zero coupon bond
A comparison of asymptotic analytical formulae with finite‐difference approximations for pricing zero coupon bond
2012,
In this paper we solve numerically a degenerate parabolic equation with dynamical...
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