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Re: Convert array to function

From: Marco
Subject: Re: Convert array to function
Date: Fri, 19 Dec 2014 17:03:58 +0100
User-agent: Mutt/1.5.23 (2014-03-12)

On 2014–12–19 Juan Pablo Carbajal wrote:

> If I understand your problem you can interpolate linearly your points,
> getting the polynomial and then evaluate using ppval.
> This is done by the function
> data2fun in the signal package
> But you can do it manually by
> pp = interp1 (x,y,"linear","pp");
> and then
> func = @(x) ppval (pp,x);

Thank you as well for your quick answer. As I already wrote to
Allen's response, the interp1 function is exactly what I need
possibly combined with the f= @(x) … trick.


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