code: public static Tensor edgeScoresToTensor(EdgeScores es, Algebra s) {
          int n = es.child.length;
          Tensor m = new Tensor(s, n, n);
          for (int p = -1; p < n; p++) {
              for (int c = 0; c < n; c++) {
                  if (p == c) { continue; }
                  int pp = getTensorParent(p, c);
                  m.set(es.getScore(p, c), pp, c);
              }
          }
          return m;
      }
docs: Convert an EdgeScores object to a Tensor, where the wall node is indexed as position n+1 in the Tensor.
  @param s TODO