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Fig. C.1


Gaussian (dashed line) and B3 spline (solid line) kernels. Here, the B3 kernel has a = 1.0 and the Gaussian kernel has σ = 0.5984. The Gaussian standard deviation σ is chosen to have the same central density as the B3 kernel. The lower panel shows the difference between the two kernels, scaled to the central density.

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