"Gregory Stark" <[EMAIL PROTECTED]> writes: > So your complaint about the existing code boils down to not having any > rigorous way to know when to stop. I don't think Newton's method has that > problem, at least not for simple polynomials. Any digits which don't change > from one iteration to the next are definitely correct.
Er, I don't think that last sentence is correct. But I believe it is possible to tell how many digits are accurate based on the difference between successive estimates because you know how fast it converges (quadratically). -- Gregory Stark EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings
