C

n=sqrt(2.5906326-0.010608994*pow(x,2)+0.014490916*pow(x,-2)+0.00067542247*pow(x,-4)-5.5303116e-05*pow(x,-6)+3.0061364e-06*pow(x,-8))

Python

n=(2.5906326-0.010608994*x**2+0.014490916*x**-2+0.00067542247*x**-4-5.5303116e-05*x**-6+3.0061364e-06*x**-8)**.5

Fortran

n=SQRT(2.5906326-0.010608994*x**2+0.014490916*x**-2+0.00067542247*x**-4-5.5303116e-05*x**-6+3.0061364e-06*x**-8)

MATLAB

n=sqrt(2.5906326-0.010608994.*x.^2+0.014490916.*x.^-2+0.00067542247.*x.^-4-5.5303116e-05.*x.^-6+3.0061364e-06.*x.^-8)

LaTeX

n^2=2.5906326-0.010608994λ^{2}+0.014490916λ^{-2}+0.00067542247λ^{-4}-5.5303116\text{×}10^{-05}λ^{-6}+3.0061364\text{×}10^{-06}λ^{-8}