Journal Numerical Algorithms Issue 2/2019 Table of Contents ( 17 Articles ) 14-06-2018 | Original Paper | Issue 2/2019 A self-adaptive trust region method for extreme -eigenvalues of symmetric tensors Mingyuan Cao, Qingdao Huang, Yueting Yang 11-06-2018 | Original Paper | Issue 2/2019 Spectral analysis of the preconditioned system for the 3 × 3 block saddle point problem Na Huang, Chang-Feng Ma 14-06-2018 | Original Paper | Issue 2/2019 Error analysis of HDG approximations for elliptic variational inequality: obstacle problem M. Zhao, H. Wu, C. Xiong 25-06-2018 | Original Paper | Issue 2/2019 An a posteriori based convergence analysis for a nonlinear singularly perturbed system of delay differential equations on an adaptive mesh Pratibhamoy Das 27-06-2018 | Original Paper | Issue 2/2019 A Crank-Nicolson-type compact difference method and its extrapolation for time fractional Cattaneo convection-diffusion equations with smooth solutions Yuan-Ming Wang 19-06-2018 | Original Paper | Issue 2/2019 An h-p version of the continuous Petrov-Galerkin finite element method for Riemann-Liouville fractional differential equation with novel test basis functions Weiping Bu, Aiguo Xiao 28-06-2018 | Original Paper | Issue 2/2019 Fast factorization of rectangular Vandermonde matrices with Chebyshev nodes Mykhailo Kuian, Lothar Reichel, Sergij V. Shiyanovskii 19-06-2018 | Original Paper | Issue 2/2019 Stepsize domain confirmation and optimum of ZeaD formula for future optimization Yunong Zhang, Zhiyuan Qi, Jian Li, Binbin Qiu, Min Yang 29-06-2018 | Original Paper | Issue 2/2019 A diagonal quasi-Newton updating method for unconstrained optimization Neculai Andrei 03-07-2018 | Original Paper | Issue 2/2019 Convergence acceleration of alternating series Rafał Nowak 27-06-2018 | Original Paper | Issue 2/2019 A 5-instant finite difference formula to find discrete time-varying generalized matrix inverses, matrix inverses, and scalar reciprocals Jian Li, Mingzhi Mao, Frank Uhlig, Yunong Zhang 27-06-2018 | Original Paper | Issue 2/2019 Convergence rates of accelerated proximal gradient algorithms under independent noise Tao Sun, Roberto Barrio, Hao Jiang, Lizhi Cheng 11-07-2018 | Original Paper | Issue 2/2019 Domain decomposition method for the N-body time-independent and time-dependent Schrödinger equations Emmanuel Lorin 12-07-2018 | Original Paper | Issue 2/2019 Learning with optimal interpolation norms Patrick L. Combettes, Andrew M. McDonald, Charles A. Micchelli, Massimiliano Pontil 04-07-2018 | Original Paper | Issue 2/2019 An ODE-based method for computing the approximate greatest common divisor of polynomials Antonio Fazzi, Nicola Guglielmi, Ivan Markovsky 12-07-2018 | Original Paper | Issue 2/2019 Quasi-Toeplitz matrix arithmetic: a MATLAB toolbox Dario A. Bini, Stefano Massei, Leonardo Robol 07-05-2019 | Correction | Issue 2/2019 Correction to: Sub-range Jacobi polynomials Walter Gautschi