C

n=sqrt(2.5429277-0.01031719*pow(x,2)+0.014356944*pow(x,-2)+0.00031433872*pow(x,-4)-1.0824341e-05*pow(x,-6)+6.8100892e-07*pow(x,-8))

Python

n=(2.5429277-0.01031719*x**2+0.014356944*x**-2+0.00031433872*x**-4-1.0824341e-05*x**-6+6.8100892e-07*x**-8)**.5

Fortran

n=SQRT(2.5429277-0.01031719*x**2+0.014356944*x**-2+0.00031433872*x**-4-1.0824341e-05*x**-6+6.8100892e-07*x**-8)

MATLAB

n=sqrt(2.5429277-0.01031719.*x.^2+0.014356944.*x.^-2+0.00031433872.*x.^-4-1.0824341e-05.*x.^-6+6.8100892e-07.*x.^-8)

LaTeX

n^2=2.5429277-0.01031719λ^{2}+0.014356944λ^{-2}+0.00031433872λ^{-4}-1.0824341\text{×}10^{-05}λ^{-6}+6.8100892\text{×}10^{-07}λ^{-8}