C

n=sqrt(2.97218511-0.0132235298*pow(x,2)-0.000174821942*pow(x,4)+0.0233639677*pow(x,-2)+0.000384261692*pow(x,-4)+9.20777694e-06*pow(x,-6)+3.19655312e-07*pow(x,-8))

Python

n=(2.97218511-0.0132235298*x**2-0.000174821942*x**4+0.0233639677*x**-2+0.000384261692*x**-4+9.20777694e-06*x**-6+3.19655312e-07*x**-8)**.5

Fortran

n=SQRT(2.97218511-0.0132235298*x**2-0.000174821942*x**4+0.0233639677*x**-2+0.000384261692*x**-4+9.20777694e-06*x**-6+3.19655312e-07*x**-8)

MATLAB

n=sqrt(2.97218511-0.0132235298.*x.^2-0.000174821942.*x.^4+0.0233639677.*x.^-2+0.000384261692.*x.^-4+9.20777694e-06.*x.^-6+3.19655312e-07.*x.^-8)

LaTeX

n^2=2.97218511-0.0132235298λ^{2}-0.000174821942λ^{4}+0.0233639677λ^{-2}+0.000384261692λ^{-4}+9.20777694\text{×}10^{-06}λ^{-6}+3.19655312\text{×}10^{-07}λ^{-8}