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Solving Vector Term With Variable


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#1 Janson

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Posted 01 March 2010 - 07:07 PM

hey, firstly sorry for my english, I'm not from an English-speaking country :)

I always thought everything is possible with my Classpad 330 but:

how can i solve a term like:




[5 10 20] * X = [10 20 40] 

Doesn't seem to be that hard, but all my attempts to solve this term failed.

Thanks

#2 ASTRO491K

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Posted 02 March 2010 - 07:33 AM

That is strange that is should be difficult to solve with the classpad330. I just did it in a fraction of a heart beat with the TI Voyage 200 as follows:
solve([5,10,20]*x=[10,20,40],x) and the answer returned is x=2, which is obviously correct.
Perhaps you didn't enter the problem correctly?

hey, firstly sorry for my english, I'm not from an English-speaking country :)
I always thought everything is possible with my Classpad 330 but: how can i solve a term like:
[5 10 20] * X = [10 20 40]
Doesn't seem to be that hard, but all my attempts to solve this term failed.
Thanks



#3 Janson

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Posted 02 March 2010 - 02:45 PM

That is strange that is should be difficult to solve with the classpad330. I just did it in a fraction of a heart beat with the TI Voyage 200 as follows:
solve([5,10,20]*x=[10,20,40],x) and the answer returned is x=2, which is obviously correct.
Perhaps you didn't enter the problem correctly?

really doesn't work for me :( i tried it already like that but: ERROR! Not appropriate. Numerical Value Input




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