C

n=sqrt(2.636187-0.0097034146*pow(x,2)+0.0255502623*pow(x,-2)+0.00100610407*pow(x,-4)-4.2521904e-05*pow(x,-6)+9.06375385e-06*pow(x,-8))

Python

n=(2.636187-0.0097034146*x**2+0.0255502623*x**-2+0.00100610407*x**-4-4.2521904e-05*x**-6+9.06375385e-06*x**-8)**.5

Fortran

n=SQRT(2.636187-0.0097034146*x**2+0.0255502623*x**-2+0.00100610407*x**-4-4.2521904e-05*x**-6+9.06375385e-06*x**-8)

MATLAB

n=sqrt(2.636187-0.0097034146.*x.^2+0.0255502623.*x.^-2+0.00100610407.*x.^-4-4.2521904e-05.*x.^-6+9.06375385e-06.*x.^-8)

LaTeX

n^2=2.636187-0.0097034146λ^{2}+0.0255502623λ^{-2}+0.00100610407λ^{-4}-4.2521904\text{×}10^{-05}λ^{-6}+9.06375385\text{×}10^{-06}λ^{-8}