SSORPreconditioner
Linear system solver / preconditioner based on Symmetric Successive Over-Relaxation (SSOR). If the matrix is decomposed as \(A = D + L + L^T\), this solver computes $(1/(2-w))(D/w+L)(D/w)^{-1}(D/w+L)^T x = b, or \((D+L)D^{-1}(D+L)^T x = b\) if \(w=1\).
CompressedRowSparseMatrixMat3x3d
Templates:
- CompressedRowSparseMatrixMat3x3d
Target: Sofa.Component.LinearSolver.Preconditioner
namespace: sofa::component::linearsolver::preconditioner
parents:
- MatrixLinearSolver
Data
| Name | Description | Default value |
|---|---|---|
| name | object name | unnamed |
| printLog | if true, emits extra messages at runtime. | 0 |
| tags | list of the subsets the object belongs to | |
| bbox | this object bounding box | |
| componentState | The state of the component among (Dirty, Valid, Undefined, Loading, Invalid). | Undefined |
| listening | if true, handle the events, otherwise ignore the events | 0 |
| parallelInverseProduct | Parallelize the computation of the product J*M^{-1}*J^T where M is the matrix of the linear system and J is any matrix with compatible dimensions | 0 |
| omega | Omega coefficient | 1 |
Links
| Name | Description | Destination type name |
|---|---|---|
| context | Graph Node containing this object (or BaseContext::getDefault() if no graph is used) | BaseContext |
| slaves | Sub-objects used internally by this object | BaseObject |
| master | nullptr for regular objects, or master object for which this object is one sub-objects | BaseObject |
| linearSystem | The linear system to solve | TypedMatrixLinearSystem<CompressedRowSparseMatrixMat3x3d> |
CompressedRowSparseMatrixd
Templates:
- CompressedRowSparseMatrixd
Target: Sofa.Component.LinearSolver.Preconditioner
namespace: sofa::component::linearsolver::preconditioner
parents:
- MatrixLinearSolver
Data
| Name | Description | Default value |
|---|---|---|
| name | object name | unnamed |
| printLog | if true, emits extra messages at runtime. | 0 |
| tags | list of the subsets the object belongs to | |
| bbox | this object bounding box | |
| componentState | The state of the component among (Dirty, Valid, Undefined, Loading, Invalid). | Undefined |
| listening | if true, handle the events, otherwise ignore the events | 0 |
| parallelInverseProduct | Parallelize the computation of the product J*M^{-1}*J^T where M is the matrix of the linear system and J is any matrix with compatible dimensions | 0 |
| omega | Omega coefficient | 1 |
Links
| Name | Description | Destination type name |
|---|---|---|
| context | Graph Node containing this object (or BaseContext::getDefault() if no graph is used) | BaseContext |
| slaves | Sub-objects used internally by this object | BaseObject |
| master | nullptr for regular objects, or master object for which this object is one sub-objects | BaseObject |
| linearSystem | The linear system to solve | TypedMatrixLinearSystem<CompressedRowSparseMatrixd> |