home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: sci.math
- Path: sparky!uunet!noc.near.net!black.clarku.edu!black.clarku.edu!djoyce
- From: djoyce@black.clarku.edu (Dave Joyce)
- Subject: Re: Square root of a number
- Message-ID: <djoyce.722465491@black.clarku.edu>
- Organization: Clark University (Worcester, MA)
- References: <1992Nov15.194049.1@woods.ulowell.edu>
- Date: 22 Nov 92 20:51:31 GMT
- Lines: 19
-
- In <1992Nov15.194049.1@woods.ulowell.edu> buxamusaa@woods.ulowell.edu writes:
-
- >Please could someone help me with an assignment that I have to do.
- >It is a very general question, though the answer could be quite lengthy.
- >"Discuss methods for finding the square root of a number."
- >
- >What I am looking for are all possible methods/alogrithms for this.
-
- One of the Old Babylonian methods was to interpolate the answer from a table
- of squares. Another was to improve your guess by better guesses:
-
- new guess = (1/2)( old guess + (number/old guess))
-
- Accuracy grows very fast.
-
- --
- David E. Joyce Dept. Math. & Comp. Sci.
- Internet: djoyce@black.clarku.edu Clark University
- BITnet: djoyce@clarku Worcester, MA 01610-1477
-