       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:= v1 = {a, b, c};

In:= v2 = {d, e, f};

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

Out= {{a, d}, {b, e}, {c, f}}

Cheers,

Sebastian

```

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