Can someone clarify this for me: Suppose we have two column vectors: bbA=[[a],[b],[c]] and, bbB=[[x],[y],[z]] If M consists of A & B as rows, i.e, bbM=[[a,b,c],[x,y,z]] Then, is it correct to write bbM = [[bbA^(TT)],[bbB^(TT)]]? I have seen people usually write it directly as bbM = [[bbA],[bbB]]. Here the transpose symbol is omitted. Isn't this incorrect? We are basically transposing the original vectors when writing them in the matrix, therefore the first representation should be correct. Any help is appreciated.

vidamuhae

vidamuhae

Answered question

2022-11-11

Can someone clarify this for me:
Suppose we have two column vectors: A = [ a b c ] and, B = [ x y z ]
If M consists of A & B as rows, i.e, M = [ a b c x y z ]
Then, is it correct to write M = [ A B ] ?
I have seen people usually write it directly as M = [ A B ] . Here the transpose symbol is omitted. Isn't this incorrect?
We are basically transposing the original vectors when writing them in the matrix, therefore the first representation should be correct.
Any help is appreciated.

Answer & Explanation

Haylie Park

Haylie Park

Beginner2022-11-12Added 14 answers

Both are correct in their proper contexts. The majority of the people consider vectors to be columns, some other consider them as rows, and some other see them as both.

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