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zher - Hermitian Matrix Rank-1 Update (CDB) (Not in Base Package)

LabVIEW 8.5 Help
August 2007

NI Part Number:
371361D-01

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Calculates the rank–1 update of the upper or lower triangular component of a Hermitian matrix.

Details  

x is an N–element complex vector.
A is a Hermitian matrix of dimensions N × N.
matrix A type specifies whether to update the upper or lower triangular component of A.

2Lower Triangular—The VI uses only the lower triangular component of A to calculate the update.
3Upper Triangular (default)—The VI uses only the upper triangular component of A to calculate the update.
alpha is a real scalar that scales x*x^H, where x^H represents the conjugate transpose of x. The default is 1.
zher is a complex matrix of the same dimensions as A. For the elements in the first N rows and N columns of the triangular component you select for matrix A type, zher returns the results of the calculation. For any remaining elements, zher returns the value of the element in A with the same index.
error returns any error or warning from the VI. You can wire error to the Error Cluster From Error Code VI to convert the error code or warning into an error cluster.

zher - Hermitian Matrix Rank-1 Update (CDB) Details

Refer to BLAS (Basic Linear Algebra Subprograms) for more information on the BLAS functions.


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