Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Minor updates to the constant modes documentation. #13515

Merged
merged 1 commit into from
Mar 9, 2022
Merged

Minor updates to the constant modes documentation. #13515

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
6 changes: 4 additions & 2 deletions include/deal.II/dofs/dof_tools.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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
* <tt>component_mask</tt> (see
* @ref GlossComponentMask),
* each of which will be one in one vector component and zero in all others.
Expand All @@ -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 <int dim, int spacedim>
void
Expand Down