IDL Wavelet Toolkit User's Guide
IDL Wavelet Toolkit User's Guide
IDL Wavelet Toolkit User's Guide
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Chapter 4: <strong>IDL</strong> <strong>Wavelet</strong> <strong>Toolkit</strong> Reference 81ScalingOn output, contains a vector of double-precision scaling (father) coefficients.<strong>Wavelet</strong>IoffJoffOn output, contains a vector of double-precision wavelet (mother) coefficients.On output, contains an integer that specifies the support offset for Scaling.On output, contains an integer that specifies the support offset for <strong>Wavelet</strong>.NoteIf none of the above arguments are present then the function will simply return theResult structure using the default Order.KeywordsNone.ReferenceCoefficients for orders 1–10 are from Daubechies, I., 1992: Ten Lectures on<strong>Wavelet</strong>s, SIAM, p. 195. Note that Daubechies has multiplied by Sqrt(2). Coefficientsfor orders 11–24 are from http://www.isds.duke.edu/~brani/filters.html.Version History5.3 IntroducedSee AlsoWV_DWT, WV_FN_COIFLET, WV_FN_HAAR, WV_FN_SYMLET<strong>IDL</strong> <strong>Wavelet</strong> <strong>Toolkit</strong>WV_FN_DAUBECHIES
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