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Re: Question about vector function integration


From: Ivan Sutoris
Subject: Re: Question about vector function integration
Date: Wed, 12 Nov 2008 22:16:46 +0100

On Wed, Nov 12, 2008 at 2:05 PM, Corsair <address@hidden> wrote:
> Hi all.  Anyone know how to use `quad' to integrate a vector function?

Hi

apparently, quad doesn't support vector-valued functions, so you
should evaluate your integral for each element of dB separately:

intfun1 = @(t) dB(t)(1);
intfun2 = @(t) dB(t)(2);
intfun3 = @(t) dB(t)(3);
[v, ier, nfun, err] = quad(intfun1, 0, 12)
[v, ier, nfun, err] = quad(intfun2, 0, 12)
[v, ier, nfun, err] = quad(intfun3, 0, 12)

Regards
Ivan Sutoris


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