C

n=sqrt(2.051562214-0.00354681*pow(x,2)+0.01192405*pow(x,-2)-0.000350124*pow(x,-4)+8.97124e-5*pow(x,-6))

Python

n=(2.051562214-0.00354681*x**2+0.01192405*x**-2-0.000350124*x**-4+8.97124e-5*x**-6)**.5

Fortran

n=SQRT(2.051562214-0.00354681*x**2+0.01192405*x**-2-0.000350124*x**-4+8.97124e-5*x**-6)

MATLAB

n=sqrt(2.051562214-0.00354681.*x.^2+0.01192405.*x.^-2-0.000350124.*x.^-4+8.97124e-5.*x.^-6)

LaTeX

n^2=2.051562214-0.00354681λ^{2}+0.01192405λ^{-2}-0.000350124λ^{-4}+8.97124\text{×}10^{-5}λ^{-6}