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Math Help - weird question

  1. #1
    Junior Member
    Joined
    Feb 2009
    Posts
    49

    weird question

    ok so if a vector is say a= (1,2,3) does that mean x= 1 y=2 z= 3

    etc...

    so why is it written as
    [1
    2
    3]

    and not as [1 2 3]

    solving for a linear combination?
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  2. #2
    Junior Member
    Joined
    Feb 2009
    Posts
    49
    i guess what im trying to ask is.. why for some all the x's y's and z's are written with the x's in a column all they ys in a column.. etc


    but for other its written the x, y and z all in a column and not in a row...

    does that make sense?
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