Norm 1

If $p\left(x\right) = \sum _{k=0}^n{a}_k{x}^k$ is a polynomial, its 1-norm is defined as ${\left(p\right)}_1=\sum _{k= 0}^n\left(a_k\right)$

norm_1(Polynomial)

Description

Given a polynomial, returns its 1-norm.