2 papers
math.NA2019
A sparse grid discontinuous Galerkin method for the high-dimensional Helmholtz equation with variable coefficients
Wei Guo
The simulation of high-dimensional problems with manageable computational resource represents a long-standing challenge. In a series of our recent work [25, 17, 18, 24], a class of…
math.OC2016
R-Linear Convergence of Limited Memory Steepest Descent
Frank E. Curtis, Wei Guo
The limited memory steepest descent method (LMSD) proposed by Fletcher is an extension of the Barzilai-Borwein "two-point step size" strategy for steepest descent methods for solvi…