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Re: Vector Transposition


In article <720tce$1ve at smc.vnet.net>, "Yves Gauvreau"
<gauy at videotron.ca> wrote:

*  Hi,
*  
*  I have Mathematica V3.0 for student and I'd like to know if someone
as a *  suggestion on how to do a Transpose on an expression that
evaluate to a *  n x 1 or 1 x n vector. The use of Map[{#}&, x] only
works if x is a *  vector.
*  
*  Thanks
*  
*  Yves

The following is one way to do this (the brackets are important):

rowVector={{a1,a2,a3}};
rowVector//MatrixForm

Transpose[rowVector]//MatrixForm

columnVector={{b1},{b2},{b3}};
columnVector//MatrixForm

Transpose[columnVector]//MatrixForm

dotProduct=rowVector.columnVector;
dotProduct//MatrixForm

outerProduct=columnVector.rowVector; outerProduct//MatrixForm

But, there are subtleties.


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