On 11/10/2010 1:04 AM, Baha Kuzu wrote:
> For an asymptotic function;
>
> d=sum(n=1 to 20) [ (sin(n))^2 / ( 0.5(w^2+(n*pi)^4) ) ]=0
>
> I got the plot of function as (d versus w). I used for loop for that
> plot. There are asymptotes close to every w=(npi)^2 point. I can see
> these points in plot, and also see the intersection points of the
> function d on 'w' axis. For example for first intersection(solution)
> w1=~27.478, and 2nd and 3rd w2=88.15, w3=130.05
> But I would like to find these values numerically instead of reading it
> from plot. Because there is not only 3 w's. There are number of w's. I
> can't read them from plot. The question briefly is that what are the
> roots (w's) that makes 'd' function equal to zero.
>
> Any information about that is appreciated.
> Thank you... Baha
doc fzero
Alan Weiss
MATLAB mathematical toolbox documentation
