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MathGroup Archive 2007

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Re: Evaluate a spline function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg74159] Re: Evaluate a spline function
  • From: "Raj" <rajanikanth at gmail.com>
  • Date: Tue, 13 Mar 2007 03:36:11 -0500 (EST)
  • References: <esola2$ef5$1@smc.vnet.net>

hi! Ivan,

You just do y[x] where x is any value in between the interpolated
points.

Cheers,

Raj

On Mar 8, 2:33 am, "Ivan" <darkna... at gmail.com> wrote:
> Hi,
> I have used the SplineFit to interpolate my data points for a curve
> y(x) and now
> would like to get the interpolated value between my data points.
> Is there a easy way to evaluate y(x) by directly inputting the value
> of x?
>
> i.e.
>
> y = SplineFit["data.dat",Cubic]
>
> how to get y(x) with x being the value of variable instead of the
> order of the data points.
>
> regards,




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