C

n=sqrt(1+5.684027565E-1/(1-5.101829712E-3/pow(x,2))+1.726177391E-1/(1-1.821153936E-2/pow(x,2))+2.086189578E-2/(1-2.620722293E-2/pow(x,2))+1.130748688E-1/(1-1.069792721E1/pow(x,2)))

Python

n=(1+5.684027565E-1/(1-5.101829712E-3/x**2)+1.726177391E-1/(1-1.821153936E-2/x**2)+2.086189578E-2/(1-2.620722293E-2/x**2)+1.130748688E-1/(1-1.069792721E1/x**2))**.5

Fortran

n=SQRT(1+5.684027565E-1/(1-5.101829712E-3/x**2)+1.726177391E-1/(1-1.821153936E-2/x**2)+2.086189578E-2/(1-2.620722293E-2/x**2)+1.130748688E-1/(1-1.069792721E1/x**2))

MATLAB

n=sqrt(1+5.684027565E-1./(1-5.101829712E-3./x.^2)+1.726177391E-1./(1-1.821153936E-2./x.^2)+2.086189578E-2./(1-2.620722293E-2./x.^2)+1.130748688E-1./(1-1.069792721E1./x.^2))

LaTeX

n^2-1=\frac{5.684027565\text{×}10^{-1}λ^2}{λ^2-5.101829712\text{×}10^{-3}}+\frac{1.726177391\text{×}10^{-1}λ^2}{λ^2-1.821153936\text{×}10^{-2}}+\frac{2.086189578\text{×}10^{-2}λ^2}{λ^2-2.620722293\text{×}10^{-2}}+\frac{1.130748688\text{×}10^{-1}λ^2}{λ^2-1.069792721\text{×}10}