Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.


Torsten
Posts:
1,627
Registered:
11/8/10


Re: Solving Transcendental Equations ~ sin(x)/x
Posted:
Oct 11, 2012 2:53 AM


On 11 Okt., 06:33, ehahn <oftenh...@gmail.com> wrote: > >> syms y; > >> p=0; > >> k = 2*pi;.01:2*pi; > >> s='P*sin(y*a)/(y*a)+cos(y*a)=cos(x*a)'; > >> solve(s) > > Warning: Explicit solution could not be found. > > > In solve at 169 > > ans = > > [ empty sym ] > > Hi all, I am trying to solve this transcendental eqn for a class project. I only know Matlab basics and I am having trouble figuring out what is not working. > > Ideally I would solve this for p = [0 3*pi/2 3*pi/10 1000] and then plot(x,y) > > Thanks for any help > Eric > > http://compgroups.net/comp.softsys.matlab/
You defined the equation as 'P*sin(y*a)/(y*a)+cos(y*a)=cos(x*a)'; What is known ? What are you trying to solve for ?
E.g. if you are simply trying to solve for x, it is given by x = acos(P*sin(y*a)/(y*a)+cos(y*a))/a.
Best wishes Torsten.



