Dear Robert, I wrote a SAGE worksheet for my freshman calculus class last semester implementing the Newton-Raphson algorithm for finding roots of functions to arbitrary precision. You'll find it unduly didactic, I'm afraid, but a few of the cells toward the end might be the sort of thing you're looking for. The worksheet can be found as a text file at:
http://gmarks.co.cc/nr.txt Comments and critiques from all are certainly welcome. Sincerely, Greg ------------------------------------------------ | Greg Marks | | Department of Mathematics and Computer Science | | St. Louis University | | St. Louis, MO 63103-2007 | | U.S.A. | | | | Phone: (314)977-7206 | | Fax: (314)977-1452 | | Web: http://math.slu.edu/~marks | ------------------------------------------------ On Dec 24 2009, 5:52 am, "ma...@mendelu.cz" <ma...@mendelu.cz> wrote: > Dear support > > is it possible to tell find_root that I am interested on say first 50 > decimal places? The documentation of find_root does not help in this > problem. Is it possible to define precision? Thanks. > > Robert
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