dot product python
A = [1,2,3,4,5,6]
B = [2,2,2,2,2,2]
# with numpy
import numpy as np
np.dot(A,B) # 42
np.sum(np.multiply(A,B)) # 42
#Python 3.5 has an explicit operator @ for the dot product
np.array(A)@np.array(B)# 42
# without numpy
sum([A[i]*B[i] for i in range(len(B))]) # 42dot notation python
Almost everything in Python is an object.
Every object has certain attributes and methods.
The connection between the attributes or the methods with the object is
indicated by a “dot” (”.”) written between them.Copyright © 2021 Codeinu
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