Re: ListInterpolation
- To: mathgroup at smc.vnet.net
- Subject: [mg58369] Re: ListInterpolation
- From: Peter Pein <petsie at dordos.net>
- Date: Tue, 28 Jun 2005 21:57:02 -0400 (EDT)
- References: <d9r4tv$55q$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
St=E9phane Fay schrieb:
> Dear everyone,
>
> I have a problem with the ListInterpolation instruction. I would like
> to specify some explicit lists of positions for grid lines like this:
>
> res == ListInterpolation[{{1, 2, 3, 4}, {5, 6, 7, 8}}, {{1, 1.3, 2. 5,
> 5}, {0.5, 1.3}}]
>
> But it does not work: when I try to calculate res[2, 1.1], I get
> ListInterpolation[{{1, 2, 3, 4}, {5, 6, 7, 8}}, {{1, 1.3, 2.5, 5},
> {0.5, 1.3}}][2, 1.1]
>
> I thank you in advance for your help.
>
> Yours sincerely
>
> Stephane Fay
> Paris Observatory
> France
>
Your input is not in proper format (and use "=" for assignments, not "=="):
In[1]:= res = ListInterpolation[
Transpose[{{1, 2, 3, 4}, {5, 6, 7, 8}}],
{{1, 1.3, 2.5, 5}, {0.5, 1.3}}];
From In[1]:=
ListInterpolation::inhr:
Requested order is too high; order has been reduced to {3, 1}. More...
In[2]:= res[2, 1.1]
Out[2]=
6.031081081081081
--
Peter Pein
Berlin
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