SNESANDERSON#

Anderson Mixing nonlinear solver

Options Database Keys#

  • -snes_anderson_m - Number of stored previous solutions and residuals

  • -snes_anderson_beta - Anderson mixing parameter

  • -snes_anderson_restart_type - Type of restart (see SNESNGMRES)

  • -snes_anderson_restart_it - Number of iterations of restart conditions before restart

  • -snes_anderson_restart - Number of iterations before periodic restart

  • -snes_anderson_monitor - Prints relevant information about the ngmres iteration

Notes#

The Anderson Mixing method combines m previous solutions into a minimum-residual solution by solving a small linearized optimization problem at each iteration.

Very similar to the SNESNGMRES algorithm.

References#

  • **** -*** D. G. Anderson. Iterative procedures for nonlinear integral equations. J. Assoc. Comput. Mach., 12, 1965.”

  • **** -*** Peter R. Brune, Matthew G. Knepley, Barry F. Smith, and Xuemin Tu,”Composing Scalable Nonlinear Algebraic Solvers”, SIAM Review, 57(4), 2015

See Also#

SNESNGMRES, SNESCreate(), SNES, SNESSetType(), SNESType

Level#

beginner

Location#

src/snes/impls/ngmres/anderson.c

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Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages