Lecture: Midterm Review
16-311 Introduction to Robotics
Fall-05. Prof. Howie Choset

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• Midterm Fall 2005 html
• Grade Distribution
• Comments from the Exam
  • Question 1
    • Not in CSpace (-10)
    • Too much padding (-5)
    • GVG pointed (-5)
    • Round Configuration Space (-2)
    • Did not pad all obstacle (-2)
    • Did not pad outer wall (-5)
    • Part B: Did not draw the shortest path in the L2 metric but usually on the GVD (-5)
  • Question 2
    • Part A: Wrote the same (-5)
    • Part B: If you got Part A wrong, but justified nicely in B, you did not lose twice
    • Part C: Missed the negative sign (-2), Referred to 1st derivative only (-2)
  • Question 3
    • The answer is 3 for all 3 parts worth 3 points each
    • If you wrote the C-space instead of 3, we took off one point, but only once.
    • Otherwise, wrong.
  • Question 4
    • No intermediate positions (-10)
    • Did not declare a metric (-5)
    • Padded the CSpace (-10)
    • Did not draw shortest path (-10)
  • Question 5: horizontal matching