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NMFMultiplicativeUpdateCost Method

Returns the value of the cost function for the non-negative factorization of V = WH. The cost function is minimized by the factorization.

Namespace: CenterSpace.NMath.Core
Assembly: NMath (in NMath.dll) Version: 7.4
Syntax
public double Cost(
	DoubleMatrix V,
	DoubleMatrix W,
	DoubleMatrix H
)

Parameters

V  DoubleMatrix
The non-negative matrix being factored.
W  DoubleMatrix
First factor
H  DoubleMatrix
Second factor

Return Value

Double
The cost.

Implements

INMFUpdateAlgorithmCost(DoubleMatrix, DoubleMatrix, DoubleMatrix)
See Also