<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

F="$(find wisdom -name "*$(echo "$1" | lowercase)*" -type f | shuf -n1)"; echo -n "${F#wisdom/}/" | rnooodl; cat "$F" | rnooodl