?? initial values

? alpha
0.5

? x 1:20 1:4
0 0 1 1
0 0 1 1
0 0 1 1
1 0 1 1
1 0 1 1
1 0 1 1
1 0 1 1
0 0 1 1
0 0 1 0
0 0 0 0
1 0 0 0
1 0 1 0
0 0 1 1
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 1 0
0 0 1 0