petsc-3.7.3 2016-07-24
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# TAOTRON

The TRON algorithm is an active-set Newton trust region method for bound-constrained minimization.

### Options Database Keys

| -tao_tron_maxgpits | - maximum number of gradient projections per TRON iterate
| -tao_subset_type | - "subvec","mask","matrix-free", strategies for handling active-sets

Level:beginner
Location: src/tao/bound/impls/tron/tron.c
Index of all Tao routines
Table of Contents for all manual pages
Index of all manual pages

### Examples

src/tao/bound/examples/tutorials/jbearing2.c.html