aboutsummaryrefslogtreecommitdiffhomepage
path: root/Eigen/src/IterativeLinearSolvers/ConjugateGradient.h
diff options
context:
space:
mode:
authorGravatar Gael Guennebaud <g.gael@free.fr>2015-06-25 13:51:13 +0200
committerGravatar Gael Guennebaud <g.gael@free.fr>2015-06-25 13:51:13 +0200
commit973b0a90db5e3f506ff7c745cd6d1a6b12cbe00d (patch)
treec7a5f2fb8f51116f267fb5038297b9a0a47c8b7d /Eigen/src/IterativeLinearSolvers/ConjugateGradient.h
parent84264ceebc8914dccebb0d0dd101239af99434ee (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.h2
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;