ToolsProcessingNumericsSolversSmooth solversOptionsSymmetric Gauss Seidel SmootherOn this pageSymmetric Gauss Seidel SmootherProperties Gauss Seidel smoother Symmetric or asymmetric matrices Forward and reverse sweeps Usage smoother symGaussSeidel; Further information Source code: symGaussSeidel API: Foam::symGaussSeidelSmoother