-- Dec 5 In-Class Exercise
A = [[ 0,1,0,0],[0.5,0,0.5,0],[0,0,0,0],[0,0,0,0]]
D = [0,0,1,1].T * 1/4 * [1,1,1,1] = [[0,0,0,0],[0,0,0,0],[0.25,0.25,0.25,0.25], [0.25,0.25,0.25,0.25]]
H = [[0.25,0.25,0.25,0.25], [0.25,0.25,0.25,0.25], [0.25,0.25,0.25,0.25], [0.25,0.25,0.25,0.25]]
sum = [0.2,0.2,0,0].T + [0,0,0.2,0.2].T + [0.05,0.05,0.05,0.05].T = [0.25,0.25,0.25,0.25].T
A = [[ 0,1,0,0],[0.5,0,0.5,0],[0,0,0,0],[0,0,0,0]]
D = [0,0,1,1].T * 1/4 * [1,1,1,1] = [[0,0,0,0],[0,0,0,0],[0.25,0.25,0.25,0.25], [0.25,0.25,0.25,0.25]]
H = [[0.25,0.25,0.25,0.25], [0.25,0.25,0.25,0.25], [0.25,0.25,0.25,0.25], [0.25,0.25,0.25,0.25]]
sum = [0.2,0.2,0,0].T + [0,0,0.2,0.2].T + [0.05,0.05,0.05,0.05].T = [0.25,0.25,0.25,0.25].T