norm

Calculate the L2-norm also known as texture index of a SO3Fun, by using

$$t = \sqrt{\frac1{8\pi^2}\int_{SO(3)} |f( R ) |^2 dR},$$

where $vol(SO(3)) = \int_{SO(3)} 1 dR = 8\pi^2$.

Syntax

t = norm(SO3F)

Input

Output

Options