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Re: How to concatenate matrices?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg113133] Re: How to concatenate matrices?
  • From: Sebastian Schmitt <sschmitt at physi.uni-heidelberg.de>
  • Date: Wed, 13 Oct 2010 23:29:08 -0400 (EDT)
  • References: <201010121749.NAA03450@smc.vnet.net>

Hi Eduardo!

Eduardo M. A. M.Mendes wrote:
> Although I read the help on matrices, I could not figure out how to
> concatenate two matrices.
>
> What I have is:
> 
> B1 - (vector) - as a result of P21.x1 (product of a matrix and a vector)
> 
> B2 - (vector) - as a result of P22.x2
> 
> B=[B1,B2]  -  that is, a matrix with two columns.
> 
> Join, Append, and all sort of funny functions return even funnier results
> (elements with {}).  

Is this what you are looking for?

In[133]:= v1 = {a, b, c};

In[134]:= v2 = {d, e, f};

In[136]:= matrix = Transpose[{v1, v2}]

Out[136]= {{a, d}, {b, e}, {c, f}}

Cheers,

Sebastian


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