C

n=1.33144933-5.32217e-3*pow(x,-1)+4.26762e-3*pow(x,-2)

Python

n=1.33144933-5.32217e-3*x**-1+4.26762e-3*x**-2

Fortran

n=1.33144933-5.32217e-3*x**-1+4.26762e-3*x**-2

MATLAB

n=1.33144933-5.32217e-3.*x.^-1+4.26762e-3.*x.^-2

LaTeX

n=1.33144933-5.32217\text{×}10^{-3}λ^{-1}+4.26762\text{×}10^{-3}λ^{-2}