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MathGroup Archive 2007

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Re: About TableForm

  • To: mathgroup at smc.vnet.net
  • Subject: [mg74376] Re: About TableForm
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Mon, 19 Mar 2007 21:56:27 -0500 (EST)
  • Organization: The Open University, Milton Keynes, UK
  • References: <etlq33$r84$1@smc.vnet.net>

Evanescence wrote:
> Hello Dear all:
> My questions are as follows:
> First I definition a function is f[x_,y_]:=2x+3y
> Then I use the Table so: Table[f[x,y],{x,0,3,1},{y,0,4,2}]
> Then we can get the answers :{{0,6,12},{2,8,14},{4,10,16},{6,12,18}}
> But I want to get the form as follows:
> 
>    x   y   f[x,y]
>    0   0     0
>    0   2     6
>    0   4    12
>    1   0     2
>    1   2     8
>    1   4    14
>    2   0     4
>    2   2    10
>    2   4    16
>    3   0     6
>    3   2    12
>    3   4    18
> 
> Please tell me how can I do it
> Thank you very much
> Evanescence 2007 03 19
> 
> 

Build your list with the x and y coordinates included and use the 
options TableHeadings and TableAlignments, for instance.

In[1]:=
f[x_, y_] := 2*x + 3*y
tbl = Flatten[Table[{x, y, f[x, y]}, {x, 0, 3, 1}, {y, 0, 4, 2}], 1]
TableForm[tbl, TableHeadings -> {None, {"x", "y", "f[z,y]"}},
   TableAlignments -> Right]

Regards,
Jean-Marc


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