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Mat2SparseNSForm

Put Matrix into Sparse Nonstandard Form

Calling Sequence

NS = Mat2SparseNSForm(M,L,qmf,epsilon)

Parameters

Inputs:

M :

Matrix to be be put in Sparse Nonstandard Form, (n by n array, n dyadic)

L :

Coarsest Resolution Level

qmf :

quadrature Mirror Filter

epsilon:

Truncation Criterion

Outputs:

NS :

sparse nonstandard form of matrix, 2n by 2n

Description

The matrix M is transformed into the wavelet basis. Then it is stretched into nonstandard form. Elements exceeding epsilon * maximum column norm are set to zero. NS is the resulting sparse matrix. NS can be used as input to NonStdWaveMult.

See also

Authors

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