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. Author manuscript; available in PMC: 2015 Feb 17.
Published in final edited form as: SIAM J Imaging Sci. 2015 Jan 22;8(1):126–185. doi: 10.1137/130935434

Figure 4.

Figure 4

The even basis functions up to f14 (r). Note that they become less oscillatory as k increases, and that fk (r) ~ rk at the origin. The odd basis functions have a similar structure and so are not pictured.