C

n=sqrt(2.71757958-0.00952801665*pow(x,2)+0.0196309871*pow(x,-2)-0.000237384298*pow(x,-4)+8.48314788e-05*pow(x,-6)-4.09640039e-06*pow(x,-8))

Python

n=(2.71757958-0.00952801665*x**2+0.0196309871*x**-2-0.000237384298*x**-4+8.48314788e-05*x**-6-4.09640039e-06*x**-8)**.5

Fortran

n=SQRT(2.71757958-0.00952801665*x**2+0.0196309871*x**-2-0.000237384298*x**-4+8.48314788e-05*x**-6-4.09640039e-06*x**-8)

MATLAB

n=sqrt(2.71757958-0.00952801665.*x.^2+0.0196309871.*x.^-2-0.000237384298.*x.^-4+8.48314788e-05.*x.^-6-4.09640039e-06.*x.^-8)

LaTeX

n^2=2.71757958-0.00952801665λ^{2}+0.0196309871λ^{-2}-0.000237384298λ^{-4}+8.48314788\text{×}10^{-05}λ^{-6}-4.09640039\text{×}10^{-06}λ^{-8}