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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

### Examples

src/tao/bound/tutorials/jbearing2.c.html
Index of all Tao routines
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Index of all manual pages