NonnegativeMatrixFactorizationByACLS Class

Implements the Nonnegative Matrix Factorization (NMF) algorithm based on Alternating Constrained Least Squares (ACLS).

Inheritance Hierarchy

SystemObject
  Altaxo.Calc.LinearAlgebra.Double.FactorizationNonnegativeMatrixFactorizationBase
    Altaxo.Calc.LinearAlgebra.Double.FactorizationNonnegativeMatrixFactorizationWithRegularizationBase
      Altaxo.Calc.LinearAlgebra.Double.FactorizationNonnegativeMatrixFactorizationByACLS

Namespace: Altaxo.Calc.LinearAlgebra.Double.Factorization
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3572.0 (4.8.3572.0)

Syntax

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public class NonnegativeMatrixFactorizationByACLS : NonnegativeMatrixFactorizationWithRegularizationBase, 
	IEquatable<NonnegativeMatrixFactorizationByACLS>

The NonnegativeMatrixFactorizationByACLS type exposes the following members.

Constructors

	Name	Description
	NonnegativeMatrixFactorizationByACLS	Initializes a new instance of the NonnegativeMatrixFactorizationByACLS class

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Properties

	Name	Description
	InitializationMethod	Gets or sets the initialization method to be used for the factorization. (Inherited from NonnegativeMatrixFactorizationBase)
	LambdaH	Gets the regularization strength for H. (Inherited from NonnegativeMatrixFactorizationWithRegularizationBase)
	LambdaW	Gets the regularization strength for W. (Inherited from NonnegativeMatrixFactorizationWithRegularizationBase)
	MaximumNumberOfIterations	Gets the maximum number of iterations for the factorization algorithm. (Inherited from NonnegativeMatrixFactorizationBase)
	NumberOfAdditionalTrials	Gets the number of additional trials to perform with a random initialization. (Inherited from NonnegativeMatrixFactorizationBase)
	Tolerance	Gets the convergence tolerance. (Inherited from NonnegativeMatrixFactorizationBase)

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Methods

	Name	Description
	Factorize	Factorizes the input matrix X into a product of two matrices with the specified rank. (Inherited from NonnegativeMatrixFactorizationBase)
	FactorizeOneTrial	Factorizes a non-negative matrix V into non-negative factors W and H. (Overrides NonnegativeMatrixFactorizationBaseFactorizeOneTrial(MatrixDouble, Int32))
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object)
	GetType	Gets the Type of the current instance. (Inherited from Object)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object)

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Remarks

References:

[1] Langville et al., "Algorithms, Initializations, and Convergence for the Nonnegative Matrix Factorization", https://arxiv.org/abs/1407.7299v1

Reference

Altaxo.Calc.LinearAlgebra.Double.Factorization Namespace