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Thread: adding a matrix

  1. #1
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    Question adding a matrix

    3 2 1 2 -3 5
    4 0 1 + 1 7 6 = My answer is 5 -1 6
    5 7 7 after using excel, is this right. thanks again for checking.
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by kwtolley
    3 2 1 2 -3 5
    4 0 1 + 1 7 6 = My answer is 5 -1 6
    5 7 7 after using excel, is this right. thanks again for checking.
    To add the matrices add corresponding elements so:

    $\displaystyle
    \left[ \begin{array}{ccc}
    {3}& {2}&{1}\\
    {4}& {0}&{1}
    \end{array} \right]+
    \left[ \begin{array}{ccc}
    {2}& {-3}&{5}\\
    {1}& {7}&{6}
    \end{array} \right]=
    \left[ \begin{array}{ccc}
    {5}& {-1}&{6}\\
    {5}& {7}&{7}
    \end{array} \right]
    $,

    yes your answer is right.

    RonL
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  3. #3
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    Smile thanks

    thanks Ron for checking.
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