set up the trellis given code generator g g given in binary matrix form. e.g. g = [ 1 1 1 1 0 1 ] next_out(i,1:2): trellis next_out (systematic bit parity bit) when input = 0, state = i next_out(i,j) = -1 or 1 next_out(i,3:4): trellis n