C

n=1.36230598-3.93436e-3*pow(x,-1)+4.34483e-3*pow(x,-2)

Python

n=1.36230598-3.93436e-3*x**-1+4.34483e-3*x**-2

Fortran

n=1.36230598-3.93436e-3*x**-1+4.34483e-3*x**-2

MATLAB

n=1.36230598-3.93436e-3.*x.^-1+4.34483e-3.*x.^-2

LaTeX

n=1.36230598-3.93436\text{×}10^{-3}λ^{-1}+4.34483\text{×}10^{-3}λ^{-2}