Class SparseRealSolver

Class for solving sparse sets of equations with real numbers.

Inheritance
object
ParameterSet
ParameterSetCollection
PivotingSolver<ISparseMatrix<double>, ISparseVector<double>, double>
SparseLUSolver<double>
SparseRealSolver
Implements
Inherited Members
Namespace: SpiceSharp.Algebra
Assembly: SpiceSharp.dll
Syntax
public class SparseRealSolver : SparseLUSolver<double>, ISparsePivotingSolver<double>, ISparseSolver<double>, IPivotingSolver<ISparseMatrix<double>, ISparseVector<double>, double>, ISolver<double>, IParameterSetCollection, IParameterSet, IParameterized<Markowitz<double>>

Constructors

SparseRealSolver()

Initializes a new instance of the SparseRealSolver class.

Declaration
public SparseRealSolver()

Methods

BackwardSubstitute(IVector<double>)

Applies backward substitution on a factored matrix and the intermediate vector.

Declaration
public override void BackwardSubstitute(IVector<double> solution)
Parameters
Type Name Description
IVector<double> solution

The solution vector.
Overrides

BackwardSubstituteTransposed(IVector<double>)

Applies backward substitution on the adjoint matrix and the intermediate vector.

Declaration
public override void BackwardSubstituteTransposed(IVector<double> solution)
Parameters
Type Name Description
IVector<double> solution

The solution vector.
Overrides

ComputeDegenerateContribution(int)

Computes a contribution for degenerate solvers (Degeneracy is larger than 0). Used when solving submatrices separately.

Declaration
public override double ComputeDegenerateContribution(int index)
Parameters
Type Name Description
int index

The index.
Returns
Type Description
double

Returns the contribution.
Overrides

ComputeDegenerateContributionTransposed(int)

Computes a contribution of the transposed solving for degenerate solvers (Degeneracy is larger than 0). Used when solving submatrices separately.

Declaration
public override double ComputeDegenerateContributionTransposed(int index)
Parameters
Type Name Description
int index

The index.
Returns
Type Description
double

Returns the contribution.
Overrides

Eliminate(ISparseMatrixElement<double>)

Eliminates the matrix right and below the pivot.

Declaration
protected override void Eliminate(ISparseMatrixElement<double> pivot)
Parameters
Type Name Description
ISparseMatrixElement<double> pivot

The pivot element.
Overrides
Exceptions
Type Condition
AlgebraException

Thrown if the pivot is null or has a magnitude of zero.

ForwardSubstitute(IVector<double>)

Applies forward substitution on a factored matrix and right-hand side vector.

Declaration
public override void ForwardSubstitute(IVector<double> solution)
Parameters
Type Name Description
IVector<double> solution

The solution vector.
Overrides
Exceptions
Type Condition
ArgumentNullException

Thrown if solution is null.
AlgebraException

Thrown if the solver is not factored yet.
ArgumentException

Thrown if solution does not have Size elements.

ForwardSubstituteTransposed(IVector<double>)

Applies forward substitution on the adjoint matrix and right-hand side vector.

Declaration
public override void ForwardSubstituteTransposed(IVector<double> solution)
Parameters
Type Name Description
IVector<double> solution

The solution vector.
Overrides
Exceptions
Type Condition
ArgumentNullException

Thrown if solution is null.
AlgebraException

Thrown if the solver is not factored yet.
ArgumentException

Thrown if solution does not have Size elements.

Implements

Extension Methods

See Also