Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/18/84; site dartvax.UUCP
Path: utzoo!linus!decvax!dartvax!chuck
From: chuck@dartvax.UUCP (Chuck Simmons)
Newsgroups: net.math
Subject: Re: Some Math problems
Message-ID: <2505@dartvax.UUCP>
Date: Tue, 23-Oct-84 06:20:22 EDT
Article-I.D.: dartvax.2505
Posted: Tue Oct 23 06:20:22 1984
Date-Received: Wed, 24-Oct-84 08:24:02 EDT
References: <689@ihuxt.UUCP>
Organization: Dartmouth College, Hanover, NH
Lines: 21

<You little sqrt.>

>2. Given a matrix A where
>
>		.68	-.6928	.24	0
>		.6928	 .5	-.52	0
>	A = 	.24	 .52	 .82	0
>		 0	  0	  0	1
>
>find a transformation B such that BB=A.

Using the Newton-Raphson method described earlier, I came up with


          .914249       -.399978        .0642701       0
          .399978        .866079       -.300184        0
    B =   .0642701       .300184        .95183         0
           0              0              0             1

-- Chuck
dartvax!chuck