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    • DecompositionOperations(TReal, TComplex) Class
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    • SymmetricRankUpdate Method (MatrixTriangle, Int32, T, TVector, TMatrix)
    • SymmetricRankUpdate Method (MatrixTriangle, Int32, T, TVector, TVector, TMatrix)
    • SymmetricRankUpdate Method (MatrixTriangle, TransposeOperation, Int32, Int32, T, TMatrix, T, TMatrix)
    • SymmetricRankUpdate Method (MatrixTriangle, TransposeOperation, Int32, Int32, T, TMatrix, TMatrix, T, TMatrix)
  • SymmetricRankUpdate Method (MatrixTriangle, Int32, T, TVector, TVector, TMatrix)
ILinearAlgebraOperationsT, TVector, TMatrixSymmetricRankUpdate Method (MatrixTriangle, Int32, T, TVector, TVector, TMatrix)Extreme Optimization Numerical Libraries for .NET Professional
Performs a symmetric rank two update of a symmetric matrix.

Namespace: Extreme.Mathematics.Implementation
Assembly: Extreme.Numerics.Net40 (in Extreme.Numerics.Net40.dll) Version: 6.0.16073.0 (6.0.16312.0)
Syntax

C#
VB
C++
F#
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void SymmetricRankUpdate(
	MatrixTriangle storageTriangle,
	int n,
	T alpha,
	TVector x,
	TVector y,
	TMatrix a
)
Sub SymmetricRankUpdate ( 
	storageTriangle As MatrixTriangle,
	n As Integer,
	alpha As T,
	x As TVector,
	y As TVector,
	a As TMatrix
)
void SymmetricRankUpdate(
	MatrixTriangle storageTriangle, 
	int n, 
	T alpha, 
	TVector x, 
	TVector y, 
	TMatrix a
)
abstract SymmetricRankUpdate : 
        storageTriangle : MatrixTriangle * 
        n : int * 
        alpha : 'T * 
        x : 'TVector * 
        y : 'TVector * 
        a : 'TMatrix -> unit 

Parameters

storageTriangle
Type: Extreme.MathematicsMatrixTriangle
Specifies whether the matrix is an upper or lower triangular matrix.
n
Type: SystemInt32
The number of rows and columns in the matrix a.
alpha
Type: T
The scalar used to multiply the outer product.
x
Type: TVector
A reference to a one-dimensional array containing the elements of the vector x.
y
Type: TVector
A reference to a one-dimensional array containing the elements of the vector y.
a
Type: TMatrix
Reference to the first element in a one-dimensional array that contains the elements of the matrix.
Remarks

This method is similar to the BLAS routine DSYR2.

Version Information

Numerical Libraries

Supported in: 5.x
See Also

Reference

ILinearAlgebraOperationsT, TVector, TMatrix Interface
SymmetricRankUpdate Overload
Extreme.Mathematics.Implementation Namespace

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