R/r-utility-l2norm.R

In 42n4/dmr.util: A package with utility functions used in the book Cichosz, P. (2015): Data Mining Algorithms: Explained Using R

Defines functions l2norm

Documented in l2norm

## L2 (Euclidean) vector norm
l2norm <- function(v) { sqrt(sum(v^2)) }


if (FALSE)
{

  # usage examples
l2norm(3:4)
l2norm(rep(3, 4))

}