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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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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