C

n=sqrt(2.5419536-0.011244659*pow(x,2)+0.014723741*pow(x,-2)+0.00042825747*pow(x,-4)-3.3933216e-05*pow(x,-6)+2.2129238e-06*pow(x,-8))

Python

n=(2.5419536-0.011244659*x**2+0.014723741*x**-2+0.00042825747*x**-4-3.3933216e-05*x**-6+2.2129238e-06*x**-8)**.5

Fortran

n=SQRT(2.5419536-0.011244659*x**2+0.014723741*x**-2+0.00042825747*x**-4-3.3933216e-05*x**-6+2.2129238e-06*x**-8)

MATLAB

n=sqrt(2.5419536-0.011244659.*x.^2+0.014723741.*x.^-2+0.00042825747.*x.^-4-3.3933216e-05.*x.^-6+2.2129238e-06.*x.^-8)

LaTeX

n^2=2.5419536-0.011244659λ^{2}+0.014723741λ^{-2}+0.00042825747λ^{-4}-3.3933216\text{×}10^{-05}λ^{-6}+2.2129238\text{×}10^{-06}λ^{-8}