[TI-M] Matrices and systems
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[TI-M] Matrices and systems
On Tue, 19 February 2002, Rob van Wijk wrote:
>
>
> Again, I'm not sure about the 82, but on the 83 it's easy.
>
> Say, you want to solve this system:
> 4x+3y=19
> 6x+9y=51
>
> You type in "rref([[4,3,19][6,9,51]])"
> The answer will be [[1,0,1][0,1,5]], which means
> 1x+0y=1 (x=1)
> 0x+1y=5 (y=5)
>
> Rob van Wijk
-----
On the 82 there is no rref function. So, you have to set up the coefficient matrix and the constant matrix for
[A]x =[B].
Then type [A]\x^-1\[B]
(Matrix A, reciprocal key, matrix B
and press enter.
Korny
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