linalg provides various methods from linear Algebra, e.g.
the solution of linear equations:l
(I) 3x + 2y -z = 1
(II) 2x – 2y +4z = -1
(III) -x + y -z = 1
Solution:
>>> x = np.array([[3,2,-1],[2,-2,4],[-1,1,-1]])
>>> y = np.array([1,-1,1])
>>> np.linalg.solve(x,y)
array([-0.3, 1.2, 0.5])
>>>