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Re:Help: Column/Row Vector

  • To: mathgroup at
  • Subject: [mg4323] Re:[mg4253] Help: Column/Row Vector
  • From: "Edward G. Neuman" <edneuman at>
  • Date: Tue, 9 Jul 1996 00:50:52 -0400
  • Sender: owner-wri-mathgroup at

Khinast wrote:

>I have two vectors x=(x1,x2) and y = (y1,y1). How can I persuade Mathematica
>that e.g. x is a column vector and y is a row vector, which is kind of 
>important for their multiplication .
>I've studied the help page for hours, with no result. So could  
>someone please help me. My email address is: 
>khinast at

Denote by xc and yr the column and row versions of x and y, respectively.
You can execute the following lines:

x={x1,x2}; y={y1,y2};
{{x1}, {x2}}
{{y1, y2}}
{2, 1}
{1, 2}

to obtain the desired result.

 Edward Neuman                    Phone: (618) 453-6501
 Department of Mathematics        Fax:   (618) 453-5300
 Southern Illinois University     E-mail: edneuman at
 Carbondale,  Ill. 62901-4408     


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