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Sameer Agarwal 3e2cdca542 Make LineSearchMinizer work correctly with negative valued functions. 
When reasoning about the function_tolerance based convergence,
LineSearchMinimizer assumed that the objective function is
positive. This used to be the case when LineSearchMinimizer was used
for minimizing non-linear least squares problems. However, with
GradientProblemSolver, the objective function can be negative (for
example when maximizing a function).

This change the minimizer to use the absolute value of the change
from one iteration to another.

https://github.com/ceres-solver/ceres-solver/issues/478

Change-Id: I831e2db96b092374e167c582ab1480b1831d5650
2019-05-13 10:20:50 -07:00
bazel
Update Bazel WORKSPACE for newest Bazel
2019-04-16 01:04:59 -07:00
cmake
Fix missing declaration warnings in Ceres code
2019-04-23 12:16:28 +02:00
config/ceres/internal
Lint cleanup from Jim Roseborough
2015-08-05 15:20:57 -07:00
data
Remove Protocol Buffers support.
2013-06-24 14:28:40 -07:00
docs
Add Problem::EvaluateResidualBlock.
2019-04-29 09:46:33 -07:00
examples
Fix missing declaration warnings in Ceres code
2019-04-23 12:16:28 +02:00
include/ceres
Fix two bugs.
2019-04-29 10:59:09 -07:00
internal/ceres
Make LineSearchMinizer work correctly with negative valued functions.
2019-05-13 10:20:50 -07:00
scripts
Minor changes to the documentation.
2016-11-27 15:12:11 -08:00
travis
Fix brew installation failing if formula is already installed.
2018-08-07 12:06:52 +01:00
.clang-format
Add a .clang-format file.
2018-09-25 10:10:39 -07:00
.gitignore
Add bazel output to .gitignore
2018-01-15 12:23:15 +01:00
.travis.yml
Update Travis CI Linux distro to 16.04 (Xenial)
2019-03-03 12:46:44 +00:00
BUILD
Add Iterative Refinement
2018-04-06 16:51:14 -07:00
CMakeLists.txt
Fix missing declaration warnings in Ceres code
2019-04-23 12:16:28 +02:00
CONTRIBUTING.md
Add CONTRIBUTING.md
2018-07-10 06:16:27 +00:00
LICENSE
Update copyright headers with new year and URL
2015-03-18 05:43:23 +00:00
package.xml
Update docs and code in preparation for 1.14.0
2018-03-13 10:10:13 -07:00
README.md
Add CONTRIBUTING.md
2018-07-10 06:16:27 +00:00
WORKSPACE
Update Bazel WORKSPACE for newest Bazel
2019-04-16 01:04:59 -07:00

README.md

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Ceres Solver

Ceres Solver is an open source C++ library for modeling and solving large, complicated optimization problems. It is a feature rich, mature and performant library which has been used in production at Google since 2010. Ceres Solver can solve two kinds of problems.

  1. Non-linear Least Squares problems with bounds constraints.
  2. General unconstrained optimization problems.

Please see ceres-solver.org for more information.

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