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MathGroup Archive 1996

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Re: How to mutiply a 3x1 and 1x3 vector

  • Subject: [mg3089] Re: How to mutiply a 3x1 and 1x3 vector
  • From: george at mech.seas.upenn.edu ( George Jefferson )
  • Date: 31 Jan 1996 03:40:25 -0600
  • Approved: usenet@wri.com
  • Distribution: local
  • Newsgroups: wri.mathgroup
  • Organization: Mechanical Engineering
  • Sender: daemon at wri.com

:I have another question that I thought would be simple to to in Mathematica.
:I have two vectors A={1,2,3} and B={3,4,5}.  How do I multiple them together
:to get a 3x3 matrix.

Outer[Times,A,B]

:  A . B gives me a scalar result.

This is an Inner or Dot product.



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