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  *[[http://www.cs.purdue.edu/homes/xyzhang/spring17/hw1.pdf|Homework One (due 1/31 in class).]][[http://www.cs.purdue.edu/homes/xyzhang/spring17/hw1-solutions.pdf|Solution]]
  *[[http://www.cs.purdue.edu/homes/xyzhang/spring17/hw2.pdf|Homework Two (due 3/2 in class), extended to 3/7.]][[http://www.cs.purdue.edu/homes/xyzhang/spring17/hw2-solution-part1.pdf|Solution]]
  * [[http://www.cs.purdue.edu/homes/xyzhang/spring17/hw3_new.pdf|Homework Three (due 4/13 in class)]][[http://www.cs.purdue.edu/homes/xyzhang/spring17/hw3_solution_new.pdf|Solution]]
  * [[http://www.cs.purdue.edu/homes/xyzhang/spring17/hw4_new.pdf|Homework Four]][[http://www.cs.purdue.edu/homes/xyzhang/spring17/hw4solution.zip|Solution for Problem 1]][[http://www.cs.purdue.edu/homes/xyzhang/spring17/hw4solution_p2.pdf|Solution for Problem 2]]