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Re: Can Mathematica interpolate non-uniform scatter data?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg106933] Re: Can Mathematica interpolate non-uniform scatter data?
  • From: dh <dh at metrohm.com>
  • Date: Fri, 29 Jan 2010 07:43:58 -0500 (EST)
  • References: <hjmjgg$ee$1@smc.vnet.net> <hjon95$4ga$1@smc.vnet.net> <hjp7o7$d5m$1@smc.vnet.net>


lately my post get mutilated, we are still seraching the reason.  try again:



to do it. Anyway, here is it:

now we can do the interpolation:



Lawrence Teo wrote:

> On Jan 27, 2:42 pm, dh <d... at metrohm.com> wrote:

>> 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...

> 

> 




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