Let

(1) |

(2) |

(3) |

**References**

Abramowitz, M. and Stegun, C. A. (Eds.).
*Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 9th printing.*
New York: Dover, p. 880, 1972.

Hildebrand, F. B. *Introduction to Numerical Analysis.* New York: McGraw-Hill, pp.43-44 and 62-63, 1956.

© 1996-9

1999-05-25