SuperLU.ColumnOrderingMethod Property

SuperLUColumnOrderingMethod Property

The method used to permute the columns of the input matrix.

Namespace: Imsl.Math
Assembly: ImslCS (in ImslCS.dll) Version: 6.5.2.0

Syntax

public SuperLUColumnOrdering ColumnOrderingMethod { get; set; }

Public Property ColumnOrderingMethod As SuperLUColumnOrdering
	Get
	Set

public:
property SuperLUColumnOrdering ColumnOrderingMethod {
	SuperLUColumnOrdering get ();
	void set (SuperLUColumnOrdering value);
}

member ColumnOrderingMethod : SuperLUColumnOrdering with get, set

Type: SuperLUColumnOrdering
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

Exceptions

Exception	Condition
ArgumentException	is thrown if value is not one of the above values.

Remarks

By default, value = SuperLU.ColumnOrderingMethod.ColumnApproximateMinimumDegree.