C

n=sqrt(1+1.37262713/(1-0.0103220068/pow(x,2))+0.112636276/(1-0.0550195044/pow(x,2))+1.39786421/(1-147.735609/pow(x,2)))

Python

n=(1+1.37262713/(1-0.0103220068/x**2)+0.112636276/(1-0.0550195044/x**2)+1.39786421/(1-147.735609/x**2))**.5

Fortran

n=SQRT(1+1.37262713/(1-0.0103220068/x**2)+0.112636276/(1-0.0550195044/x**2)+1.39786421/(1-147.735609/x**2))

MATLAB

n=sqrt(1+1.37262713./(1-0.0103220068./x.^2)+0.112636276./(1-0.0550195044./x.^2)+1.39786421./(1-147.735609./x.^2))

LaTeX

n^2-1=\frac{1.37262713λ^2}{λ^2-0.0103220068}+\frac{0.112636276λ^2}{λ^2-0.0550195044}+\frac{1.39786421λ^2}{λ^2-147.735609}