From: Lei Qiao Date: Thu, 8 Oct 2015 20:24:05 +0000 (-0500) Subject: doc TrilinosWrappers::PreconditionAMG::AdditionalData::constant_modes with more details X-Git-Tag: v8.4.0-rc2~329^2~1 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69226c5bb5f9c8c72592ac02599b8942ea383ced;p=dealii.git doc TrilinosWrappers::PreconditionAMG::AdditionalData::constant_modes with more details --- diff --git a/include/deal.II/lac/trilinos_precondition.h b/include/deal.II/lac/trilinos_precondition.h index d1d6025756..836c9c26b8 100644 --- a/include/deal.II/lac/trilinos_precondition.h +++ b/include/deal.II/lac/trilinos_precondition.h @@ -1373,8 +1373,17 @@ namespace TrilinosWrappers /** * Specifies the constant modes (near null space) of the matrix. This * parameter tells AMG whether we work on a scalar equation (where the - * near null space only consists of ones) or on a vector-valued - * equation. + * near null space only consists of ones, and default value is OK) or on + * a vector-valued equation. + * For vector-valued equation problem with n_component, the + * provided @p constant_modes should fulfill the following requirements: + * */ std::vector > constant_modes;