Scalable Convergence Using Two-Level Deflation Preconditioning for the Helmholtz Equation.

Vandana Dwarka Cornelis Vuik

Published in: SIAM J. Sci. Comput. (2020)

Keyphrases

convergence theorem
convergence rate
convergence speed
edge preserving
conjugate gradient
mathematical model
bundle adjustment
faster convergence
optical flow computation
evolutionary algorithm
least squares
lightweight
global optimization
learning rate
early vision
nonlinear equations