Re: Please Help!

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: Please Help!
From: Tucker <tucker1@ameritech.net>
Date: Fri, 23 Oct 1998 06:48:39 -0400
Organization: Ameritech.Net www.ameritech.net Complaints: abuse@ameritech.net
References: <362FFA14.E2F@postoffice.worldnet.att.net>
Reply-To: tucker1@ameritech.net
Xref: paladin.american.edu bit.listserv.calc-ti:25876

Use matrices
[ 4 -1 -1]    [ 4]
[ 2  1  1]=A  [-1]=B
[ 6 -3 -2]    [ 3]
and do A^(-1)*B
The resulting matrix will give you the values of X, Y, and Z

Lars Petersen wrote:
>
> Dear Newsgroup,
>
> Can a TI-86 calculator by any chance solve a system of equation with 3
> variables?
>
> An examble is:
>
> 4x-y-z=4
> 2x+y+z=-1
> 6x-3y-2z=3
>
> Can the ti 86 by any chance solve for all three variables, x,y, and z??
>  If so please post how or e-mail me.  Any help would be much
> appreciated.
>
> Thanks a BUNCH!

References:

Please Help!

From: Lars Petersen <PETERSLAN@POSTOFFICE.WORLDNET.ATT.NET>