Given a link L = (L_{1}, L_{2}, ..., L_{n}), the linking matrix A
displayed here is the linking matrix for L assuming each of its components is zero-framed.
Thus A is the n × n matrix given by A_{ij} = lk(L_{i}, L_{j})
for i ≠ j, and A_{ii} = 0, where 1 ≤ i, j ≤ n.