C

n=sqrt(2.71886836-0.00921086428*pow(x,2)-5.97080099e-05*pow(x,4)+0.0202512558*pow(x,-2)+0.000423467645*pow(x,-4)-1.03717059e-06*pow(x,-6)+1.22100678e-06*pow(x,-8))

Python

n=(2.71886836-0.00921086428*x**2-5.97080099e-05*x**4+0.0202512558*x**-2+0.000423467645*x**-4-1.03717059e-06*x**-6+1.22100678e-06*x**-8)**.5

Fortran

n=SQRT(2.71886836-0.00921086428*x**2-5.97080099e-05*x**4+0.0202512558*x**-2+0.000423467645*x**-4-1.03717059e-06*x**-6+1.22100678e-06*x**-8)

MATLAB

n=sqrt(2.71886836-0.00921086428.*x.^2-5.97080099e-05.*x.^4+0.0202512558.*x.^-2+0.000423467645.*x.^-4-1.03717059e-06.*x.^-6+1.22100678e-06.*x.^-8)

LaTeX

n^2=2.71886836-0.00921086428λ^{2}-5.97080099\text{×}10^{-05}λ^{4}+0.0202512558λ^{-2}+0.000423467645λ^{-4}-1.03717059\text{×}10^{-06}λ^{-6}+1.22100678\text{×}10^{-06}λ^{-8}