length of a polynomial

Let $P=a_0+a_{1}x+\mathrm{\dots }+a_n{x}^n\in ℂ[x]$ be a polynomial with complex coefficients. The length of $P$ is

$$L(P)=\mid a_0\mid +\mid a_1\mid +\mathrm{\dots }+\mid a_n\mid =\sum _{i=0}^n\mid a_i\mid$$

Title	length of a polynomial
Canonical name	LengthOfAPolynomial
Date of creation	2013-03-22 13:33:39
Last modified on	2013-03-22 13:33:39
Owner	Daume (40)
Last modified by	Daume (40)
Numerical id	5
Author	Daume (40)
Entry type	Definition
Classification	msc 11C08