There are at least two typos in Homework 3.

• Q4: \(Z_n = (X+nY) \text{mod} 2\) should be \(Z_n = (X+nY) \text{mod} 3\)
• Q6(b): \(\text{trace}(\Omega_2) \ge \text{trace}(\Omega)\) should be \(\text{trace}(\Omega_2) \ge \text{trace}(\Omega_1)\)
  Both are corrected in the pdf now.