Başlık: Başlangıç
    g = a - b. #Subtraction
       array([[-0.5,0. ,0.], [-3. , -3. , -3. ]])
    np.subtract(a,b) #Subtraction
    b + a #Addition 
      array([[ 2.5, 4. , 6.],[5. ,7. ,9. ]])
    np.add(b,a) #Addition 
    a/b #Division 
     array([[0.66666667,1. ,1.],[0.25 ,0.4 ,0.5 ]])
    np.divide(a,b) #Division 
    a * b #Multiplication 
      array([[1.5, 4. ,9.],[ 4. , 10. , 18. ]])
    np.multiply(a,b) #Multiplication 
    np.exp(b) #Exponentiation
    np.sqrt(b) #Square root
    np.sin(a)  #Print sines of an array
    np.cos(b) #Elementwise cosine
    np.log(a)#Elementwise natural logarithm
    e.dot(f) #Dot product 
     array([[7.,7.],[7.,7.]])