Data Science, Linear Algebra, Mathematics.
author Example with Python: import numpy as np A = np.array([[1,2],[3,4]]) #matrix1 B = np.array([[-3,-2],[-4,-5]]) #matrix2 print(A+B) #Addition print(A-B) #Subtraction Matrix Multiplication: It works by computing the dot product between each row of the first matrix and each column of the 2nd