Re: Can Mathematica interpolate non-uniform scatter data?
- To: mathgroup at smc.vnet.net
- Subject: [mg106641] Re: Can Mathematica interpolate non-uniform scatter data?
- From: dh <dh at metrohm.com>
- Date: Wed, 27 Jan 2010 01:41:17 -0500 (EST)
- References: <hjmjgg$ee$1@smc.vnet.net>
to do it. Anyway, here is it:
now we can do the interpolation:
Lawrence Teo wrote:
> Hi all,
>
> Can Mathematica interpolate non-uniform scatter data?
> Like ListInterpolation or Interpolation functions...
>
> z = {{0.`, 0.`, 0.`, 0.`, 0.`, 0.`, 0.`, 0.`, 0.`}, {0.`, ,
> 0.12467473338522769`, 0.18640329676226988`,
> 0.24740395925452294`, , 0.36627252908604757`,
> 0.42367625720393803`, 0.479425538604203`}, {0.`,
> 0.12467473338522769`, 0.24740395925452294`, 0.36627252908604757`,
> 0.479425538604203`, 0.5850972729404622`, 0.6816387600233341`, ,
> 0.8414709848078965`}, {0.`, 0.18640329676226988`,
> 0.36627252908604757`, 0.5333026735360201`, 0.6816387600233341`,
> 0.806081108260693`, 0.9022675940990952`, 0.9668265566961802`,
> 0.9974949866040544`}, {0.`, 0.24740395925452294`,
> 0.479425538604203`, 0.6816387600233341`, 0.8414709848078965`,
> 0.9489846193555862`, 0.9974949866040544`, 0.9839859468739369`,
> 0.9092974268256817`}};
> g = ListInterpolation[z, {{0, 1}, {0, 2}}];
> g[0.5, 0.5]
>
> However, the previous interpolation will give us a lot of NULL in the
> expression...
>