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author | Gael Guennebaud <g.gael@free.fr> | 2015-06-25 13:51:13 +0200 |
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committer | Gael Guennebaud <g.gael@free.fr> | 2015-06-25 13:51:13 +0200 |
commit | 973b0a90db5e3f506ff7c745cd6d1a6b12cbe00d (patch) | |
tree | c7a5f2fb8f51116f267fb5038297b9a0a47c8b7d /Eigen/src/IterativeLinearSolvers/ConjugateGradient.h | |
parent | 84264ceebc8914dccebb0d0dd101239af99434ee (diff) |
Clarify documentation of the tolerance and error returned in iterative solvers
Diffstat (limited to 'Eigen/src/IterativeLinearSolvers/ConjugateGradient.h')
-rw-r--r-- | Eigen/src/IterativeLinearSolvers/ConjugateGradient.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Eigen/src/IterativeLinearSolvers/ConjugateGradient.h b/Eigen/src/IterativeLinearSolvers/ConjugateGradient.h index 9e7dd1404..de576edc9 100644 --- a/Eigen/src/IterativeLinearSolvers/ConjugateGradient.h +++ b/Eigen/src/IterativeLinearSolvers/ConjugateGradient.h @@ -121,6 +121,8 @@ struct traits<ConjugateGradient<_MatrixType,_UpLo,_Preconditioner> > * and setTolerance() methods. The defaults are the size of the problem for the maximal number of iterations * and NumTraits<Scalar>::epsilon() for the tolerance. * + * The tolerance is the relative residual error: |Ax-b|/|b| + * * This class can be used as the direct solver classes. Here is a typical usage example: \code int n = 10000; |