[Linear Algebra] Inverse and Transpose
0 mertix doesn't have inverse.
Only square materix (mxm) has inverse
Tanspose:
% Initialize matrix A A = [1,2,0;0,5,6;7,0,9] % Transpose A A_trans = A' % Take the inverse of A A_inv = inv(A) % What is A^(-1)*A? A_invA = inv(A)*A """ A = 1 2 0 0 5 6 7 0 9 A_trans = 1 0 7 2 5 0 0 6 9 A_inv = 0.348837 -0.139535 0.093023 0.325581 0.069767 -0.046512 -0.271318 0.108527 0.038760 A_invA = 1.00000 -0.00000 0.00000 0.00000 1.00000 -0.00000 -0.00000 0.00000 1.00000 """