NMathFunctionsVariance(FloatComplexMatrix) Method

Computes the variance of the matrix columns.

Namespace: CenterSpace.NMath.Core
Assembly: NMath (in NMath.dll) Version: 7.4

Syntax

public static FloatComplexVector Variance(
	FloatComplexMatrix A
)

Public Shared Function Variance ( 
	A As FloatComplexMatrix
) As FloatComplexVector

public:
static FloatComplexVector^ Variance(
	FloatComplexMatrix^ A
)

static member Variance : 
        A : FloatComplexMatrix -> FloatComplexVector

Exceptions

Exception	Condition
InvalidArgumentException	Thrown if A has zero rows.

Remarks

v[j] = (System.Math.pow(A[0,j] - mean, 2) + System.Math.pow(A[i,j] - mean, 2) + ... ) / n