<b_jonas> learn norm is the name of the functions in the Eigen and opencv libraries to compute the 2-norm of a vector, and the name of the function in C++ to compute the squared 2-norm of a complex number

#!/bin/bash

enc=$(echo "$1" | iconv -t iso8859-1 | chardet | awk '{print $2}')
echo "$1" | iconv -t iso8859-1 | iconv -f "$enc"