Machine Learning, Matrix, Vector.
with 1s on all the main diagonal positions and 0s every where else. It’s denoted by I and defined as Ex: Matrix Addition The addition of two matrix is only defined if they are of same order. Let A(m * n) & B(m * n) Then it’s summation C = A + B is defined as For all i = 1, 2, 3 … m j = 1, 2, 3 … n