C

n=sqrt(1+5.672526103E-1/(1-5.085550461E-3/pow(x,2))+1.736581125E-1/(1-1.814938654E-2/pow(x,2))+2.121531502E-2/(1-2.617260739E-2/pow(x,2))+1.138493213E-1/(1-1.073888649E1/pow(x,2)))

Python

n=(1+5.672526103E-1/(1-5.085550461E-3/x**2)+1.736581125E-1/(1-1.814938654E-2/x**2)+2.121531502E-2/(1-2.617260739E-2/x**2)+1.138493213E-1/(1-1.073888649E1/x**2))**.5

Fortran

n=SQRT(1+5.672526103E-1/(1-5.085550461E-3/x**2)+1.736581125E-1/(1-1.814938654E-2/x**2)+2.121531502E-2/(1-2.617260739E-2/x**2)+1.138493213E-1/(1-1.073888649E1/x**2))

MATLAB

n=sqrt(1+5.672526103E-1./(1-5.085550461E-3./x.^2)+1.736581125E-1./(1-1.814938654E-2./x.^2)+2.121531502E-2./(1-2.617260739E-2./x.^2)+1.138493213E-1./(1-1.073888649E1./x.^2))

LaTeX

n^2-1=\frac{5.672526103\text{×}10^{-1}λ^2}{λ^2-5.085550461\text{×}10^{-3}}+\frac{1.736581125\text{×}10^{-1}λ^2}{λ^2-1.814938654\text{×}10^{-2}}+\frac{2.121531502\text{×}10^{-2}λ^2}{λ^2-2.617260739\text{×}10^{-2}}+\frac{1.138493213\text{×}10^{-1}λ^2}{λ^2-1.073888649\text{×}10}