petsc-3.9.4 2018-09-11
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TAOBLMVM

Bounded limited memory variable metric is a quasi-Newton method for nonlinear minimization with bound constraints. It is an extension of TAOLMVM

Options Database Keys

-tao_lmm_vectors - number of vectors to use for approximation
-tao_lmm_scale_type - "none","scalar","broyden"
-tao_lmm_limit_type - "none","average","relative","absolute"
-tao_lmm_rescale_type - "none","scalar","gl"
-tao_lmm_limit_mu - mu limiting factor
-tao_lmm_limit_nu - nu limiting factor
-tao_lmm_delta_min - minimum delta value
-tao_lmm_delta_max - maximum delta value
-tao_lmm_broyden_phi - phi factor for Broyden scaling
-tao_lmm_scalar_alpha - alpha factor for scalar scaling
-tao_lmm_rescale_alpha - alpha factor for rescaling diagonal
-tao_lmm_rescale_beta - beta factor for rescaling diagonal
-tao_lmm_scalar_history - amount of history for scalar scaling
-tao_lmm_rescale_history - amount of history for rescaling diagonal
-tao_lmm_eps - rejection tolerance

Level

beginner

Location

src/tao/bound/impls/blmvm/blmvm.c

Examples

src/ts/examples/tutorials/ex20opt_p.c.html
src/ts/examples/tutorials/ex20opt_ic.c.html
src/tao/unconstrained/examples/tutorials/spectraladjointassimilation.c.html
src/tao/bound/examples/tutorials/plate2.c.html
src/tao/bound/examples/tutorials/jbearing2.c.html
src/tao/bound/examples/tutorials/plate2f.F90.html

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