Homework problems are not due in for marking, but are nevertheless essential for building your understanding. I may post short solutions to certain problems, but that will be some time after the homework is posted. (You don't learn much by passing to quickly to answers before struggling with the problems on your own.) Your best route is to work on the problems, get stuck perhaps, struggle some more, and then if necessary get yourself unstuck by talking to me (or fellow students). I'm more than happy to look at your solutions/thoughts/attempts/wads of paper!