Scalable 2×2 rotation processor for singular value decomposition

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United States of America Patent

PATENT NO 7937425
APP PUB NO 20060173948A1
SERIAL NO

11046377

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Abstract

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A two-plane rotation (TPR) approach to Gaussian elimination (Jacobi) is used for computational efficiency in determining rotation parameters. A rotation processor is constructed using the TPR approach to perform singular value decomposition (SVD) on two by two matrices yielding both eigenvalues and left and right eigenvectors. The rotation processor can then be replicated and interconnected to achieve higher dimensioned matrices. For higher dimensional matrices, the rotation processors on the diagonal solve the 2×2 rotation angles, broadcast the results to off-diagonal processors, whereby all processors perform matrix rotations in parallel.

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Patent Owner(s)

Patent OwnerAddress
FRANTORF INVESTMENTS GMBH LLC160 GREENTREE DRIVE SUITE 101 DOVER DE 19904

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kotrlik, Michael J Nashua, US 3 13
Krawiec, Wojciech J Amherst, US 4 138
Smith, John M Nashua, US 62 1603

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