Re: TIB: Need help with math prog I am writing

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Re: TIB: Need help with math prog I am writing


That's not the way I knew it
V1=(A)i+(B)j+(C)k
V2=(K)i+(L)j+(M)k
V1•V2=(A*K)+(B*L)+(C*M)
On Fri, 08 May 1998 08:59:48 -0700 "Brian E. Ash"
<brian@communityonline.net> writes:
>
>
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>dot product.
>
>[[a b c]  [[j k l]    [[aj+bm+cp,ak+bn+cq,al+bo+cr]
> [d e f] * [m n o]  =  [dj+em+fp,dk+en+fq,dl+eo+fr]
> [f g h]]  [p q r]]    [fj+hm+ip,fk+gn+hq,fl+go+hr]]
>
>
>ti-basic@lists.ticalc.org wrote:
>
>> whats the dot products?
>>
>> forgive me, I know nothing about vectors.
>>
>> ---Rosyna <rosyna@wcoil.com> wrote:
>> >
>> >
>> > returns the dot products of to vectors [r;Ø]
>> >
>> > >what does the dot( function do?
>> >
>> > ---
>> > I pledge allegiance to the Mac of Apple Computer Incorporated, and
>> to the
>> > developers for which it stands, one platform, under Guy,
>> indestructible,
>> > with creativity and multimedia for all.
>> >
>>
>> ==
>> Garth Johnson
>>
>> gbjohnson@bigfoot.com -normal email
>>  brandtly@hotmail.com -Large files
>>
>> Visit my website!
>> http://www.bigfoot.com/~garthjohnson
>> _________________________________________________________
>> DO YOU YAHOO!?
>> Get your free @yahoo.com address at http://mail.yahoo.com
>
>
>
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><HTML>
><TT>dot product.</TT><TT></TT>
>
><P><TT>[[a b c]&nbsp; [[j k l]&nbsp;&nbsp;&nbsp; 
>[[aj+bm+cp,ak+bn+cq,al+bo+cr]</TT>
><BR><TT>&nbsp;[d e f] * [m n o]&nbsp; =&nbsp; 
>[dj+em+fp,dk+en+fq,dl+eo+fr]</TT>
><BR><TT>&nbsp;[f g h]]&nbsp; [p q r]]&nbsp;&nbsp;&nbsp; 
>[fj+hm+ip,fk+gn+hq,fl+go+hr]]</TT>
><BR><TT></TT>&nbsp;<TT></TT>
>
><P>ti-basic@lists.ticalc.org wrote:
><BLOCKQUOTE TYPE=CITE>whats the dot products?
>
><P>forgive me, I know nothing about vectors.
>
><P>---Rosyna &lt;rosyna@wcoil.com> wrote:
><BR>>
><BR>>
><BR>> returns the dot products of to vectors [r;&Oslash;]
><BR>>
><BR>> >what does the dot( function do?
><BR>>
><BR>> ---
><BR>> I pledge allegiance to the Mac of Apple Computer Incorporated, 
>and
><BR>to the
><BR>> developers for which it stands, one platform, under Guy,
><BR>indestructible,
><BR>> with creativity and multimedia for all.
><BR>>
>
><P>==
><BR>Garth Johnson
>
><P>gbjohnson@bigfoot.com -normal email
><BR>&nbsp;brandtly@hotmail.com -Large files
>
><P>Visit my website!
><BR><A 
>HREF="http://www.bigfoot.com/~garthjohnson">http://www.bigfoot.com/~garthjohnson</A>
><BR>_________________________________________________________
><BR>DO YOU YAHOO!?
><BR>Get your free @yahoo.com address at <A 
>HREF="http://mail.yahoo.com">http://mail.yahoo.com</A></BLOCKQUOTE>
>&nbsp;</HTML>
>
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>
>

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