[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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