C

n=sqrt(3.43418261-0.0106199538*pow(x,2)+0.0400046303*pow(x,-2)-0.000637942235*pow(x,-4)+0.000216353029*pow(x,-6)-8.49876445e-06*pow(x,-8))

Python

n=(3.43418261-0.0106199538*x**2+0.0400046303*x**-2-0.000637942235*x**-4+0.000216353029*x**-6-8.49876445e-06*x**-8)**.5

Fortran

n=SQRT(3.43418261-0.0106199538*x**2+0.0400046303*x**-2-0.000637942235*x**-4+0.000216353029*x**-6-8.49876445e-06*x**-8)

MATLAB

n=sqrt(3.43418261-0.0106199538.*x.^2+0.0400046303.*x.^-2-0.000637942235.*x.^-4+0.000216353029.*x.^-6-8.49876445e-06.*x.^-8)

LaTeX

n^2=3.43418261-0.0106199538λ^{2}+0.0400046303λ^{-2}-0.000637942235λ^{-4}+0.000216353029λ^{-6}-8.49876445\text{×}10^{-06}λ^{-8}