C

n=sqrt(2.602245-0.002282728*pow(x,2)+0.0313239*pow(x,-2)-0.001109815*pow(x,-4)+0.0002844724*pow(x,-6)-1.205447e-05*pow(x,-8))

Python

n=(2.602245-0.002282728*x**2+0.0313239*x**-2-0.001109815*x**-4+0.0002844724*x**-6-1.205447e-05*x**-8)**.5

Fortran

n=SQRT(2.602245-0.002282728*x**2+0.0313239*x**-2-0.001109815*x**-4+0.0002844724*x**-6-1.205447e-05*x**-8)

MATLAB

n=sqrt(2.602245-0.002282728.*x.^2+0.0313239.*x.^-2-0.001109815.*x.^-4+0.0002844724.*x.^-6-1.205447e-05.*x.^-8)

LaTeX

n^2=2.602245-0.002282728λ^{2}+0.0313239λ^{-2}-0.001109815λ^{-4}+0.0002844724λ^{-6}-1.205447\text{×}10^{-05}λ^{-8}