C

n=sqrt(2.8630662-0.011977981*pow(x,2)+0.032706279*pow(x,-2)+0.0016821116*pow(x,-4)-7.4783483e-05*pow(x,-6)+1.4696883e-05*pow(x,-8))

Python

n=(2.8630662-0.011977981*x**2+0.032706279*x**-2+0.0016821116*x**-4-7.4783483e-05*x**-6+1.4696883e-05*x**-8)**.5

Fortran

n=SQRT(2.8630662-0.011977981*x**2+0.032706279*x**-2+0.0016821116*x**-4-7.4783483e-05*x**-6+1.4696883e-05*x**-8)

MATLAB

n=sqrt(2.8630662-0.011977981.*x.^2+0.032706279.*x.^-2+0.0016821116.*x.^-4-7.4783483e-05.*x.^-6+1.4696883e-05.*x.^-8)

LaTeX

n^2=2.8630662-0.011977981λ^{2}+0.032706279λ^{-2}+0.0016821116λ^{-4}-7.4783483\text{×}10^{-05}λ^{-6}+1.4696883\text{×}10^{-05}λ^{-8}