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    • DecompositionOperations(TReal, TComplex) Class
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  • SymmetricRankUpdate Method Overloads
    • SymmetricRankUpdate Method (MatrixTriangle, Int32, TReal, ArraySlice(TReal), Array2D(TReal))
    • SymmetricRankUpdate Method (MatrixTriangle, Int32, TReal, ArraySlice(TReal), ArraySlice(TReal), Array2D(TReal))
    • SymmetricRankUpdate Method (MatrixTriangle, TransposeOperation, Int32, Int32, TComplex, Array2D(TComplex), TComplex, Array2D(TComplex))
    • SymmetricRankUpdate Method (MatrixTriangle, TransposeOperation, Int32, Int32, TReal, Array2D(TReal), TReal, Array2D(TReal))
    • SymmetricRankUpdate Method (MatrixTriangle, TransposeOperation, Int32, Int32, TComplex, Array2D(TComplex), Array2D(TComplex), TComplex, Array2D(TComplex))
    • SymmetricRankUpdate Method (MatrixTriangle, TransposeOperation, Int32, Int32, TReal, Array2D(TReal), Array2D(TReal), TReal, Array2D(TReal))
  • SymmetricRankUpdate Method (MatrixTriangle, Int32, TReal, ArraySlice(TReal), ArraySlice(TReal), Array2D(TReal))
LinearAlgebraOperationsTReal, TComplexSymmetricRankUpdate Method (MatrixTriangle, Int32, TReal, ArraySliceTReal, ArraySliceTReal, Array2DTReal)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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public abstract void SymmetricRankUpdate(
	MatrixTriangle storageTriangle,
	int n,
	TReal alpha,
	ArraySlice<TReal> x,
	ArraySlice<TReal> y,
	Array2D<TReal> a
)
Public MustOverride Sub SymmetricRankUpdate ( 
	storageTriangle As MatrixTriangle,
	n As Integer,
	alpha As TReal,
	x As ArraySlice(Of TReal),
	y As ArraySlice(Of TReal),
	a As Array2D(Of TReal)
)
public:
virtual void SymmetricRankUpdate(
	MatrixTriangle storageTriangle, 
	int n, 
	TReal alpha, 
	ArraySlice<TReal> x, 
	ArraySlice<TReal> y, 
	Array2D<TReal> a
) abstract
abstract SymmetricRankUpdate : 
        storageTriangle : MatrixTriangle * 
        n : int * 
        alpha : 'TReal * 
        x : ArraySlice<'TReal> * 
        y : ArraySlice<'TReal> * 
        a : Array2D<'TReal> -> 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: TReal
The scalar used to multiply the outer product.
x
Type: Extreme.CollectionsArraySliceTReal
A reference to a one-dimensional array containing the elements of the vector x.
y
Type: Extreme.CollectionsArraySliceTReal
A reference to a one-dimensional array containing the elements of the vector y.
a
Type: Extreme.CollectionsArray2DTReal
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

LinearAlgebraOperationsTReal, TComplex Class
SymmetricRankUpdate Overload
Extreme.Mathematics.Implementation Namespace

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