Re: mathematica newbie ?
- To: mathgroup at smc.vnet.net
- Subject: [mg92427] Re: mathematica newbie ?
- From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
- Date: Tue, 30 Sep 2008 21:50:54 -0400 (EDT)
- Organization: The Open University, Milton Keynes, UK
- References: <gbt2pe$lcc$1@smc.vnet.net>
Jared.webb at yahoo.com wrote:
> I am extremely new to mathematica and am having trouble following the
> documentation.
>
> I would like to set up the following loop and have it send the output
> to a vector.
>
> If I have in mathematica:
>
> nsupports=3
> ndof=10
> nels=2
> int=range[0,nsupports-1] - this is my iterator
>
> I want to set up a loop:
>
> for x in int:
> if x=0, return 0
> if x=nsupports-1, return ndof-2
> otherwise, return x*nels*2
>
> I want the output to go to a column vector.
Assuming I have correctly understood the pseudo-code, a possible
solution is as follows:
In[1]:= nsupports = 3;
ndof = 10;
nels = 2;
int = Range[0, nsupports - 1];
Table[If[x == 0, 0, If[x == nsupports - 1, ndof - 2,
x*nels*2]], {x, int}]
Out[20]= {0, 4, 8}
Regards,
-- Jean-Marc