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MathGroup Archive 2007

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Re: create a list with x,y,z coordinates

  • To: mathgroup at smc.vnet.net
  • Subject: [mg81587] Re: [mg81554] create a list with x,y,z coordinates
  • From: "Ricardo Samad" <resamad at gmail.com>
  • Date: Fri, 28 Sep 2007 02:15:57 -0400 (EDT)
  • References: <200709270151.VAA02309@smc.vnet.net>

Dear Claus,

There are other ways to do it, but you can do the following:

zVals = {13, 8, 15, 9, 15, 8, 11, 2, 18, 8, 5, 10, 11, 10, 9, 14, 6,
   23, 6, 14, 16, 5, 10, 5, 18, 10, 11, 10, 15, 8, 6, 23, 6, 17, 6,
   12, 9, 17, 4, 8, 18, 4, 18, 9, 13, 9, 14, 6, 10, 6, 5, 13, 5, 10,
   6, 19, 8, 17, 9, 16, 15, 5, 13, 5, 11, 9, 16, 2, 21, 11, 4, 15, 7,
   10, 7, 16, 10, 14, 7, 18, 17, 8, 15, 11, 14, 5, 14, 4, 13, 6, 8,
   16, 8, 22, 8, 6, 9, 13, 5, 12};

c = Flatten[Table[{i, j}, {i, 0.05, 1, 0.1}, {j, 0.05, 1, 0.1}], 1];

d = Table[Flatten[{c[[i]], zVals[[i]]}], {i, 1, Length[c]}]

Ricardo



On 9/26/07, Claus <claus.haslauer at web.de> wrote:
>
> Hi,
> I have a list of z-values:
>
> zVals={13, 8, 15, 9, 15, 8, 11, 2, 18, 8, 5, 10, 11, 10, 9, 14, 6, 23,
> 6, 14, 16, 5, 10, 5, 18, 10, 11, 10, 15, 8, 6, 23, 6, 17, 6, 12, 9, 17,
> 4, 8, 18, 4, 18, 9, 13, 9, 14, 6, 10, 6, 5, 13, 5, 10, 6, 19, 8, 17, 9,
> 16, 15, 5, 13, 5, 11, 9, 16, 2, 21, 11, 4, 15, 7, 10, 7, 16, 10, 14, 7,
> 18, 17, 8, 15, 11, 14, 5, 14, 4, 13, 6, 8, 16, 8, 22, 8, 6, 9, 13, 5, 12}
>
> These z-values are at grid points in a regularly spaced mesh, indices i
> and j correspond to coordinates x and y, respectively. I can create the
> mesh by
>
> Table[{i,j},{i,0.05,1,0.1},{j,0.05,1,0.1}]
>
> What is the best way in mathematica to "append" the z-values to the
> (x,y)values?
> I know that they are in order corresponding to the (x,y)values; that is
> 13 corresponds to (0.05,0.05) and 12 corresponds to (0.95,0.95).
>
> Thanks for your help,
> Claus
>
>


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