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anonymous

  • 5 years ago

how to solve a linear equation system with a texas instruments?

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  1. amistre64
    • 5 years ago
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    you got a ti83 perhaps?

  2. anonymous
    • 5 years ago
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    i got a voyage 200

  3. amistre64
    • 5 years ago
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    never heard of it, do you see a "matrix" option on one of the buttons by chance?

  4. amistre64
    • 5 years ago
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    i see a data/matrix option on the google pic of it

  5. anonymous
    • 5 years ago
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    yes! that one.

  6. amistre64
    • 5 years ago
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    given a set of equations: we strip the variables and use only the coeffs for our column vectors in the matrix, does that make sense?

  7. amistre64
    • 5 years ago
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    2x+3y=9 4x+5y=3 \begin{pmatrix}2&3&9\\4&5&3\end{pmatrix}

  8. amistre64
    • 5 years ago
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    if there is a variable missing from one equation to the next, you use zero "0" for its entry

  9. amistre64
    • 5 years ago
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    2x-y=3 y=4 \begin{pmatrix}2&-1&3\\0&1&4\end{pmatrix}

  10. amistre64
    • 5 years ago
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    the solution to the system is just the row reduced form of the augmented matrix; the RREF command if you can find it

  11. amistre64
    • 5 years ago
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    hope that helps

  12. anonymous
    • 5 years ago
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    it says error reserved name or system variable. why?

  13. amistre64
    • 5 years ago
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    dunno, all I get is a picture :)

  14. anonymous
    • 5 years ago
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    thanks anyway!

  15. amistre64
    • 5 years ago
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    youre welcome

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