C

n=sqrt(2.65253732-0.0207076891*pow(x,2)+0.00823565189*pow(x,-2)+0.00259890034*pow(x,-4)-0.00030272324*pow(x,-6)+1.591967e-05*pow(x,-8))

Python

n=(2.65253732-0.0207076891*x**2+0.00823565189*x**-2+0.00259890034*x**-4-0.00030272324*x**-6+1.591967e-05*x**-8)**.5

Fortran

n=SQRT(2.65253732-0.0207076891*x**2+0.00823565189*x**-2+0.00259890034*x**-4-0.00030272324*x**-6+1.591967e-05*x**-8)

MATLAB

n=sqrt(2.65253732-0.0207076891.*x.^2+0.00823565189.*x.^-2+0.00259890034.*x.^-4-0.00030272324.*x.^-6+1.591967e-05.*x.^-8)

LaTeX

n^2=2.65253732-0.0207076891λ^{2}+0.00823565189λ^{-2}+0.00259890034λ^{-4}-0.00030272324λ^{-6}+1.591967\text{×}10^{-05}λ^{-8}