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    • BandMatrix Class
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  • MultiplyByTranspose Method
SingleDenseMatrixMultiplyByTranspose Method Extreme Optimization Numerical Libraries for .NET Professional
Multiplies this SingleDenseMatrix by its Transpose.

Namespace: Extreme.Mathematics.LinearAlgebra
Assembly: Extreme.Numerics.Version4x.Net40 (in Extreme.Numerics.Version4x.Net40.dll) Version: 4.2.11333.0 (5.0.12317.0)
Syntax

C#
VB
C++
F#
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public SingleSymmetricMatrix MultiplyByTranspose()
Public Function MultiplyByTranspose As SingleSymmetricMatrix
public:
SingleSymmetricMatrix^ MultiplyByTranspose()
member MultiplyByTranspose : unit -> SingleSymmetricMatrix 

Return Value

Type: SingleSymmetricMatrix
A SingleSymmetricMatrix that is the product of this SingleDenseMatrix with its transpose.
Remarks

Some applications, for example the solution of a least squares problem using normal equations, require the product of a matrix with its own transpose. This method performs this operation.

The resulting matrix is always symmetrical and positive definite. This is why a SingleSymmetricMatrix is returned, rather than a more general SingleDenseMatrix.

This method uses the BLAS routine DSYRK.

Version Information

Numerical Libraries

Supported in: 5.x, 4.x
See Also

Reference

SingleDenseMatrix Class
Extreme.Mathematics.LinearAlgebra Namespace

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