期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 393 ()
We present and analyze two regularized finite difference methods which preserve energy of the logarithmic Klein-Gordon equation (LogKGE). In order to ......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 393 ()
This paper is concerned with collocation methods for cordial Volterra integro-differential equations (CVIDEs) with noncompact cordial operators. The e......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 393 ()
Model-based methods have been the powerful strategies for solving a variety of imaging inverse problems. Particularly, the sparsity-enforcing regulari......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 394 ()
In this paper we study a weighted time-fractional asymptotical regularization method for solving linear ill-posed problems Ax = y where only noisy dat......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 396 ()
Recently, a direct method of the time-frequency approach, called the signal separation operator (SSO), which is based on sinusoidal signal approximati......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 392 ()
In this paper, the viscosity explicit stability and error estimate for the finite element method of the time-dependent Navier-Stokes equations are ded......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 393 ()
Let A, B is an element of C-nxn with ind(A) = k and ind(B) = s and let L-B = (BB)-B-2(sic). A new condition (C-s,C-*): R(A(k)) boolean AND N((B-s)*) =......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 393 ()
Based on the fact that the linear term is strongly dominant over the nonlinear term, by using the approximate inverse-free preconditioned conjugate gr......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 397 ()
Sparse logistic regression, as an effective tool of classification, has been developed tremendously in recent two decades, from its origination the l(......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 398 ()
In this paper, by introducing a class of relaxed filtered Krylov subspaces, we propose the relaxed filtered Krylov subspace method for computing the e......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 398 ()
The well-known Prager-Synge identity is valid in H1(S2) and serves as a foundation for developing equilibrated a posteriori error estimators for conti......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 392 ()
This paper aims to develop a class of large time-stepping schemes for solving the Functionalized Cahn-Hilliard (FCH) gradient flow equation. By using ......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 397 ()
The regularized least-square problems have drawn a great deal of interest from the statistics and machine learning fields. In this paper, we develop a......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 393 ()
In this paper, we investigate European and Asian options with default risk in an intensity-based model. By breaking down the risk into idiosyncratic a......
期刊: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021; 394 ()
This report considers a variable time-stepping algorithm proposed by Dahlquist, Liniger and Nevanlinna and discusses its application to the unsteady S......