[TIB] Re: Matrix on the 92 plus
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[TIB] Re: Matrix on the 92 plus
No I wouldn't mind helping you at all... Just drop me e-mail on what you
need.
----- Original Message -----
From: "Nick E. Messenger" <robocom@madasafish.com>
To: <ti-basic@lists.ticalc.org>
Sent: Tuesday, November 26, 2002 8:32 AM
Subject: [TIB] Re: Matrix on the 92 plus
>
> Hi,
> I bought the TI89 too and I am having difficulties using Matrices.
> Would you mind helping me figure out how to work out matrices on the TI89.
>
> Nick
>
> ----- Original Message -----
> From: <Nitrocloud@aol.com>
> To: <ti-basic@lists.ticalc.org>
> Sent: Tuesday, November 05, 2002 12:06 PM
> Subject: [TIB] Re: Matrix on the 92 plus
>
>
> >
> > Ok. I have an 89 and lately I just completed a little part of matrix
> algebra in Algebra II. I'm surprized that I didn't speak earlier, but
here
> it is.
> >
> > [[1,2][3,4]]->a //Stores the matrix
> > a[1] //Returns row 1 = [1,2]
> > a[1,2] //Returns element 2 of row 1 = [2]
> > 5->a[1,1] //Changes 1 to 5
> > a //displays the matrix = [[5,2][3,4]]
> > In a message dated Tue, 5 Nov 2002 11:23:33 +0100 (MET),
> robvanwijk@gmx.net writes:
> >
> > >
> > >
> > > > Hi all,
> > > > Ok I figured out from the manual how to make a matrix on the 92 plus
> > > >
> > > > [[1,2,3][4,5,6]]->mat1 This makes the matrix with 1,2,3 as row 1 and
> > > > 4,5,6 as row 2. the thing I cant get to work is how to edit them.
Like
> > > > for a list you do list[2] and that gives you the 2nd var in the
list.
> > > > But with a matrix.aint gotta clue lol. Please someone fill me in on
> this
> > > > thnx.
> > > >
> > >
> > > On the 83 it works like this: (A is the matrix)
> > > A{1,2} gives the second element of the first row.
> > > SomeNumber->A{1,2} stores the number to the second element
> > > of the first row, without effecting the rest of the matrix.
> > >
> > > I don't have a 92, but I'd guess you'd have to use either what I
> > > said, or replace the braces ( '{', '}' ) with brackets ( '[', ']' ).
> > > Otherwise, why don't you read the manual again, it should
> > > be in
> > > there.....
> > >
> > > Grtz,
> > > Rob van Wijk
> >
> >
>
>
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