Python, Machine Learning, Artificial Intelligence, Programming, Matrix.
np.linalg.inv(matrix) method: >>>A = np.array([[1,2,3],[4,5,6], [7,8,9]]) >>>np.linalg.inv(A) [[ 3.15251974e+15 -6.30503948e+15 3.15251974e+15] [-6.30503948e+15 1.26100790e+16 -6.30503948e+15] [ 3.15251974e+15 -6.30503948e+15 3.15251974e+15]] Matrix multiplication can be executed using the @