C

n=sqrt(2.50656956-0.00926894171*pow(x,2)+0.021861508*pow(x,-2)+0.000431237321*pow(x,-4)+1.69302544e-05*pow(x,-6)+3.4236134e-06*pow(x,-8))

Python

n=(2.50656956-0.00926894171*x**2+0.021861508*x**-2+0.000431237321*x**-4+1.69302544e-05*x**-6+3.4236134e-06*x**-8)**.5

Fortran

n=SQRT(2.50656956-0.00926894171*x**2+0.021861508*x**-2+0.000431237321*x**-4+1.69302544e-05*x**-6+3.4236134e-06*x**-8)

MATLAB

n=sqrt(2.50656956-0.00926894171.*x.^2+0.021861508.*x.^-2+0.000431237321.*x.^-4+1.69302544e-05.*x.^-6+3.4236134e-06.*x.^-8)

LaTeX

n^2=2.50656956-0.00926894171λ^{2}+0.021861508λ^{-2}+0.000431237321λ^{-4}+1.69302544\text{×}10^{-05}λ^{-6}+3.4236134\text{×}10^{-06}λ^{-8}