find solutions with fsolve

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nima salyani
nima salyani on 12 May 2015
Edited: James Tursa on 12 May 2015
sorry.I want to find solutions of charactristic equation(CHL=0) with it's iterations by fsolve. Can anyone help me?
nc=3.8; ncl=3; syms u w n Jn=besselj(n,u); Jnp=diff(Jn,u); Kn=besselk(n,w); Knp=diff(Kn,u); J0=Jnp/(u*Jn); K0=Knp/(w*Kn);
CH=(J0+K0)*(J0+(ncl/nc)^2*K0)n^2*(1/u^2+1/w^2)*(1/u^2+(ncl/nc)^2*1/w^2); CHL=limit(CH,w,0);

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