C

n=sqrt(2.74241958-0.0130203862*pow(x,2)+0.0159689321*pow(x,-2)+0.000709178831*pow(x,-4)-6.08192466e-05*pow(x,-6)+3.51166538e-06*pow(x,-8))

Python

n=(2.74241958-0.0130203862*x**2+0.0159689321*x**-2+0.000709178831*x**-4-6.08192466e-05*x**-6+3.51166538e-06*x**-8)**.5

Fortran

n=SQRT(2.74241958-0.0130203862*x**2+0.0159689321*x**-2+0.000709178831*x**-4-6.08192466e-05*x**-6+3.51166538e-06*x**-8)

MATLAB

n=sqrt(2.74241958-0.0130203862.*x.^2+0.0159689321.*x.^-2+0.000709178831.*x.^-4-6.08192466e-05.*x.^-6+3.51166538e-06.*x.^-8)

LaTeX

n^2=2.74241958-0.0130203862λ^{2}+0.0159689321λ^{-2}+0.000709178831λ^{-4}-6.08192466\text{×}10^{-05}λ^{-6}+3.51166538\text{×}10^{-06}λ^{-8}