The method used to permute the columns of the
input matrix.
Namespace:
Imsl.MathAssembly: ImslCS (in ImslCS.dll) Version: 6.5.0.0
Syntax
| C# |
|---|
public SuperLU..::.ColumnOrdering ColumnOrderingMethod { get; set; } |
| Visual Basic (Declaration) |
|---|
Public Property ColumnOrderingMethod As SuperLU..::.ColumnOrdering |
| Visual C++ |
|---|
public: property SuperLU..::.ColumnOrdering ColumnOrderingMethod { SuperLU..::.ColumnOrdering get (); void set (SuperLU..::.ColumnOrdering value); } |
Field Value
A ColumnOrdering scalar specifying how the columns of the input matrix are to be permuted for sparsity preservation.| value | method |
|---|---|
| Natural | natural ordering, that is  ,
I the identity matrix. |
| MinimumDegreeAtPlusA | minimum degree ordering on the structure of
 |
| MinimumDegreeAtA | minimum degree ordering on the structure of
 |
| ColumnApproximateMinimumDegree | column approximate minimum degree ordering |
Remarks
By default, value = SuperLU.ColumnOrderingMethod.ColumnApproximateMinimumDegree.
Exceptions
| Exception | Condition |
|---|---|
| System..::.ArgumentException | is thrown if value is not one of the above values. |
