Results 41 to 50 of about 374 (70)

Jacobian matrix: a bridge between linear and nonlinear polynomial-only problems

open access: yes, 1999
By using the Hadamard matrix product concept, this paper introduces two generalized matrix formulation forms of numerical analogue of nonlinear differential operators. The SJT matrix-vector product approach is found to be a simple, efficient and accurate
Chen, W.
core  

Convergence Analysis of the Fast Subspace Descent Methods for Convex Optimization Problems

open access: yes, 2019
The full approximation storage (FAS) scheme is a widely used multigrid method for nonlinear problems. In this paper, a new framework to design and analyze FAS-like schemes for convex optimization problems is developed.
Chen, Long, Hu, Xiaozhe, Wise, Steven M.
core  

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