C

n=sqrt(2.82409056-0.0116215301*pow(x,2)-0.000136188911*pow(x,4)+0.0199712048*pow(x,-2)+0.000284067118*pow(x,-4)+7.76179707e-06*pow(x,-6)+6.22423374e-08*pow(x,-8))

Python

n=(2.82409056-0.0116215301*x**2-0.000136188911*x**4+0.0199712048*x**-2+0.000284067118*x**-4+7.76179707e-06*x**-6+6.22423374e-08*x**-8)**.5

Fortran

n=SQRT(2.82409056-0.0116215301*x**2-0.000136188911*x**4+0.0199712048*x**-2+0.000284067118*x**-4+7.76179707e-06*x**-6+6.22423374e-08*x**-8)

MATLAB

n=sqrt(2.82409056-0.0116215301.*x.^2-0.000136188911.*x.^4+0.0199712048.*x.^-2+0.000284067118.*x.^-4+7.76179707e-06.*x.^-6+6.22423374e-08.*x.^-8)

LaTeX

n^2=2.82409056-0.0116215301λ^{2}-0.000136188911λ^{4}+0.0199712048λ^{-2}+0.000284067118λ^{-4}+7.76179707\text{×}10^{-06}λ^{-6}+6.22423374\text{×}10^{-08}λ^{-8}