Writing a Fourier Series as

where is the last term and the terms are the Lanczos factor, removes the Gibbs Phenomenon (Acton 1990).

**References**

Acton, F. S. *Numerical Methods That Work, 2nd printing.* Washington, DC: Math. Assoc. Amer., p. 228, 1990.

© 1996-9

1999-05-26