Add the ability to specify the pivot threshold in Covariance::Options https: //github.com/ceres-solver/ceres-solver/issues/777 Change-Id: I481612b7bc727d5cd0dc21a0e0dbaf356722ba22
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.
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