how to solve equation

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shiv gaur
shiv gaur on 31 Aug 2021
Commented: Fabio Freschi on 2 Sep 2021
V*sqrt(1-b)=m*pi+atan(b/1-b)+atan(a+b/1-b)
% where ns=1.40;
nc=1.45;
nf=1.5;
% where a=(ns^2-nc^2)/(nf^2-ns^2)
b=(neff^2-ns^2)/(nf^2-ns^2)
% by varying V=1:10
plot(V,neff)
  2 Comments
Fabio Freschi
Fabio Freschi on 2 Sep 2021
I assume you want to find the value of neff that solve the equation. However, I think that you are misprinting your initial function:
V*sqrt(1-b)=m*pi+atan(b/1-b)+atan(a+b/1-b)
Because it is useless to divide b by 1. Could you report correctly the function you want to solve, with the values of all parameters?

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