Difference Eigenanalysis

The next twist of the plot links the two strands encountered so far, using the ideas of the divided difference schemes, expressed in terms of -transforms, to make the upper bound eigenanalysis dramatically easier. 

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Now consider the scheme whose mask is [1, 8,14, 8,1]/16. Clearly the discontinuity at the ends is — log2(l/16) = 4. The basis function is C3+1 there. However, eigenanalysis gives a different result. 

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