Re: Interpolation of a tabulated function

• To: mathgroup at smc.vnet.net
• Subject: [mg115573] Re: Interpolation of a tabulated function
• From: Gabriel Landi <gtlandi at gmail.com>
• Date: Sat, 15 Jan 2011 04:44:30 -0500 (EST)

```Sorry if I misunderstood the problem but would it be something like the
following?

x=RandomReal[{0,10},{20}]; (*Generate random x*)

data=Transpose[{x,x^2}] (*The function is now y=x^2*)

intFunc=Interpolation[data];

Show[ListPlot[data],Plot[intFunc[x],{x,0,10}]]

It worked over here
Hope it helps,

Gabriel

On Fri, Jan 14, 2011 at 9:16 AM, girl17 <irexxy at gmail.com> wrote:

> So, I have a list for tabulated function like that:
> {{x1,y1},{x2,y2},...,{xn,yn}}, where x(i+1)-xi are not equal for all i.
> I want to get an interpolated function for that array and to use this
> function in this way: intFucn[x], where x1<=x<=xn.
> I tried to use ListInterpolation[], but it works only for 1D lists, i.e. in
> case if x(i+1)-xi are equal for all i.
> Is there any solution for this problem?
>
>

```

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