Question about vector function integration

[David Bateman]

Ivan Sutoris wrote:
> On Wed, Nov 12, 2008 at 2:05 PM, Corsair <chris.corsair at gmail.com> 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

or use "quadv" where the "v" stands for "vector".

D.

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