C

n=sqrt(3.01845855-0.0104580593*pow(x,2)+0.0288640175*pow(x,-2)+0.000697086524*pow(x,-4)+6.35741467e-06*pow(x,-6)+2.82444289e-06*pow(x,-8))

Python

n=(3.01845855-0.0104580593*x**2+0.0288640175*x**-2+0.000697086524*x**-4+6.35741467e-06*x**-6+2.82444289e-06*x**-8)**.5

Fortran

n=SQRT(3.01845855-0.0104580593*x**2+0.0288640175*x**-2+0.000697086524*x**-4+6.35741467e-06*x**-6+2.82444289e-06*x**-8)

MATLAB

n=sqrt(3.01845855-0.0104580593.*x.^2+0.0288640175.*x.^-2+0.000697086524.*x.^-4+6.35741467e-06.*x.^-6+2.82444289e-06.*x.^-8)

LaTeX

n^2=3.01845855-0.0104580593λ^{2}+0.0288640175λ^{-2}+0.000697086524λ^{-4}+6.35741467\text{×}10^{-06}λ^{-6}+2.82444289\text{×}10^{-06}λ^{-8}