| -snes_trtol <tol> Trust region tolerance | - .    -snes_tr_mu <mu>
 | 
 | -snes_tr_eta <eta> | - .    -snes_tr_sigma <sigma>
 | 
 | -snes_tr_delta0 <delta0> | - .    -snes_tr_delta1 <delta1>
 | 
 | -snes_tr_delta2 <delta2> | - -    -snes_tr_delta3 <delta3>
 | 
The basic algorithm is taken from "The Minpack Project", by More',
Sorensen, Garbow, Hillstrom, pages 88-111 of "Sources and Development
of Mathematical Software", Wayne Cowell, editor.
This is intended as a model implementation, since it does not
necessarily have many of the bells and whistles of other
implementations.
See Also
  SNESCreate(), SNES, SNESSetType(), SNESLS, SNESSetTrustRegionTolerance()
Level:intermediate
Location:src/snes/impls/tr/tr.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages