lf::mesh::utils::CodimMeshDataSet< Eigen::Vector2d > extractVelocity(const std::shared_ptr< const lf::mesh::Mesh > &mesh, const lf::assemble::DofHandler &dofh, const Eigen::VectorXd &solution)
Extract the flow velocity on cells from the solution vector.
lf::mesh::utils::CodimMeshDataSet< double > extractBasisFunctionCoefficients(const std::shared_ptr< const lf::mesh::Mesh > &mesh, const lf::assemble::DofHandler &dofh, const Eigen::VectorXd &solution)
Extract the basis function coefficients from the solution vector.