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Re: New Users - Integrate Data
From: |
Michael Goffioul |
Subject: |
Re: New Users - Integrate Data |
Date: |
Thu, 6 Dec 2007 21:17:52 +0100 |
You're probably looking for "trapz" or "quad" functions.
Michael.
On 12/6/07, Ciaran Mooney <address@hidden> wrote:
> Hi,
>
> I am a undergrad chemist and I have a bit of a problem.
>
> I have some data which I have had to plot, and ended up with quite a
> complex curve. I need to work out the area beneath the curve to obtain
> a useful quantity. Unfortunatly the University only provides us with
> Sigmaplot, and I run Linux......
>
> And I've just found out from using Sigmaplot at the Universtiy that it
> cannot integrate a curve to find the area beneath.
>
> I have never used Octave before but it seems to be exactly the program
> I need to get my work done.
>
> Is there a way of giving Octave a list of values (x, y) and then
> getting it to integrate those values? I have over 600 values so an
> even better way would be for octave to import a list of values from a
> file, and then perform the calculation.
>
> I have looked in the documentation and can't seem to find anything
> that helps, my maths is a bit rusty from A-level, most of it shoots
> over my head.
>
> Any chance that this is even possible?
>
> Regards,
>
> CiarĂ¡n
>
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