petsc-master 2019-11-22
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TAOBQNLS

Bounded Quasi-Newton Line Search method for nonlinear minimization with bound constraints. This method approximates the action of the inverse-Hessian with a limited memory quasi-Newton formula. The quasi-Newton matrix and its options are accessible via the prefix `-tao_bqnls_`

Options Database Keys

-tao_bqnls_max_cg_its - maximum number of bounded conjugate-gradient iterations taken in each Newton loop
-tao_bqnls_as_type - active-set estimation method ("none", "bertsekas")

Level

beginner

Location

src/tao/bound/impls/bqnls/bqnls.c

Examples

src/ts/examples/tutorials/ex20opt_p.c.html
src/tao/unconstrained/examples/tutorials/spectraladjointassimilation.c.html

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