From: Wolfgang Bangerth Date: Wed, 9 Mar 2022 02:42:24 +0000 (-0700) Subject: Minor updates to the constant modes. X-Git-Tag: v9.4.0-rc1~392^2 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=211100f344c19a9a4a9db0e278b99fbc4d6ead8a;p=dealii.git Minor updates to the constant modes. --- diff --git a/include/deal.II/dofs/dof_tools.h b/include/deal.II/dofs/dof_tools.h index 5372aa365f..dd6e686f99 100644 --- a/include/deal.II/dofs/dof_tools.h +++ b/include/deal.II/dofs/dof_tools.h @@ -1492,10 +1492,10 @@ namespace DoFTools * on algebraic properties of the respective matrix, it has no chance to * detect whether the matrix comes from a scalar or a vector valued problem. * However, a near null space supplies exactly the needed information about - * the components placement of vector components within the matrix. The null + * the components' placement of vector components within the matrix. The null * space (or rather, the constant modes) is provided by the finite element * underlying the given DoFHandler and for most elements, the null space - * will consist of as many vectors as there are true arguments in + * will consist of as many vectors as there are `true` arguments in * component_mask (see * @ref GlossComponentMask), * each of which will be one in one vector component and zero in all others. @@ -1512,6 +1512,8 @@ namespace DoFTools * * The main reason for this program is the use of the null space with the * AMG preconditioner. + * + * This function is used in step-31, step-32, and step-42, for example. */ template void