C

n=sqrt(2.5692173-0.010022582*pow(x,2)+0.016067095*pow(x,-2)+0.00039868115*pow(x,-4)-1.5698671e-05*pow(x,-6)+1.1774033e-06*pow(x,-8))

Python

n=(2.5692173-0.010022582*x**2+0.016067095*x**-2+0.00039868115*x**-4-1.5698671e-05*x**-6+1.1774033e-06*x**-8)**.5

Fortran

n=SQRT(2.5692173-0.010022582*x**2+0.016067095*x**-2+0.00039868115*x**-4-1.5698671e-05*x**-6+1.1774033e-06*x**-8)

MATLAB

n=sqrt(2.5692173-0.010022582.*x.^2+0.016067095.*x.^-2+0.00039868115.*x.^-4-1.5698671e-05.*x.^-6+1.1774033e-06.*x.^-8)

LaTeX

n^2=2.5692173-0.010022582λ^{2}+0.016067095λ^{-2}+0.00039868115λ^{-4}-1.5698671\text{×}10^{-05}λ^{-6}+1.1774033\text{×}10^{-06}λ^{-8}