Data Science, Linear Algebra, Mathematics.
Example with Python: import numpy as np A = np.array([1,2,3,4]) #vector1 B = np.array([-4,-3, -2, -1]) #vector2 print(A+B) #vector Addition print(A-B) #vector Subtraction Vector Dot Products: The dot product takes 2 equal dimension vectors and returns a single scalar value by summing the products