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Spouge's Approximation
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Details
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In mathematics, Spouge''s approximation is a formula for the gamma function due to John L. Spouge. The formula is a modification of Stirling''s approximation. The formula is similar to the Lanczos approximation, but has some distinct features. Whereas the Lanczos formula exhibits faster convergence, Spouge''s coefficients are much easier to calculate and the error can be set arbitrarily low. The formula is therefore feasible for arbitrary-precision evaluation of the gamma function. However, special care must be taken to use sufficient precision when computing the sum due to the large size of the coefficients c_k, as well as their alternating sign. For example, for a=49, you must compute the sum using about 65 decimal digits of precision in order to obtain the promised 40 decimal digits of accuracy.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786131228711
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Größe H220mm x B220mm
- EAN 9786131228711
- Format Fachbuch
- Titel Spouge's Approximation
- Herausgeber Betascript Publishing
- Anzahl Seiten 136
- Genre Mathematik
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