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    klfdance's Avatar
    klfdance Posts: 1, Reputation: 1
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    #1

    Jul 7, 2011, 12:34 PM
    How do you find the sum of matrices?
    [-9-6]+[9-9]+[16-20]
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Jul 7, 2011, 01:21 PM

    You add matrices by individually adding the same row/colums elements. Thus if:



    and



    Then

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