C

n=sqrt(2.5360648-0.01059228*pow(x,2)+0.021518011*pow(x,-2)+0.00087655888*pow(x,-4)-4.3936258e-05*pow(x,-6)+7.5438308e-06*pow(x,-8))

Python

n=(2.5360648-0.01059228*x**2+0.021518011*x**-2+0.00087655888*x**-4-4.3936258e-05*x**-6+7.5438308e-06*x**-8)**.5

Fortran

n=SQRT(2.5360648-0.01059228*x**2+0.021518011*x**-2+0.00087655888*x**-4-4.3936258e-05*x**-6+7.5438308e-06*x**-8)

MATLAB

n=sqrt(2.5360648-0.01059228.*x.^2+0.021518011.*x.^-2+0.00087655888.*x.^-4-4.3936258e-05.*x.^-6+7.5438308e-06.*x.^-8)

LaTeX

n^2=2.5360648-0.01059228λ^{2}+0.021518011λ^{-2}+0.00087655888λ^{-4}-4.3936258\text{×}10^{-05}λ^{-6}+7.5438308\text{×}10^{-06}λ^{-8}