Routine Name: lp
Author: David Merkley
Language: Python
Description/Purpose: Gives the lp norm
Input: a vector
Output: the norm
Implementation/Code:
def lp(x, p):
if p == 1:
return l1(x)
elif p == 2:
return l2(x)
elif isinf(p):
return linfty(x)
else:
return sum([abs(xi)**p for xi in x])**(1/p)