# Unit 2 easier?

 2 Did anyone else feel like the level of difficulty in Unit 2 was much lower than in level 1? I really struggled with Unit 1 - Unit 2 seemed much more approachable - in fact at times I felt like I was being spoonfed. Thoughts? Of course, I may eat my words when we get grades for homework = ) asked 05 Mar '12, 21:43 Calvin Froedge 133●3●6●19 accept rate: 50%

 3 Perhaps the sweat and tears spent in Unit 1, and what you've learned there, paved the way for the easiness of Unit 2 :-) answered 05 Mar '12, 21:47 Jose 2.0k●9●27●61
 3 I thought the homework was easier, but to actually understand the Kalman filter took me a long time. answered 05 Mar '12, 21:48 Anne Paulson 9.5k●32●76●98 Your explanation was awesome, btw, Anne. Helped me a lot. I probably need to spend a bit more time on Kalman filters myself while I've got some time before Unit 3 = ) (05 Mar '12, 21:51) Calvin Froedge 1 Thanks. For me, writing the explanation turned out to be a great way to understand the stuff. At first I saw all those equations and had no idea what was going on. (05 Mar '12, 21:56) Anne Paulson yeah, i agree, thanks for the explanation Anne. I had some trouble understanding what P was and your notes helped. Although I agree with the poster, that HW2 seems easier than HW1. (06 Mar '12, 01:53) Derek Lei 100%! Which makes my average a 75 haha. (06 Mar '12, 19:57) Calvin Froedge
 1 I'm not sure about it. The only thing I can confirm is that Thrun was great to simplify a difficult topic, such as Kalman filter, that way. answered 06 Mar '12, 02:15 Giuseppe Di ... 1.0k●3●19●30
 0 Kalman filters can be bit confusing...but all you need to do is think and study for 1-1.5 hours of what you learnt in lecture! And all of it becomes crystal clear! I also found Unit 2 quite easy and including the homework(+ there was not much programming)!! :) answered 05 Mar '12, 22:24 Jitin 215●2●4●10
 0 I actually found Unit 2 harder...but I don't think I had time to study as much. answered 05 Mar '12, 22:35 naiyt 1.2k●7●20●30 yeah me too, i only got spare time to study in morning before my boss came and at the lunch time (06 Mar '12, 00:44) WILLYANTO
 0 For me , Unit 2 was easier than Unit 1, but Unit 3 is even easier than the previous two units. Let's wait for the homework.... answered 06 Mar '12, 01:31 Alvaro G. Oj... 1.9k●10●31●58
 0 It was mainly a struggle to get "going" with the Internet Explorer and Python too many versions problem(s). The homework answers still act strangely and I am not sure if it is the "Structure" or if I look at the answers with an Internet Explorer browser that makes me feel uncomfortable with this set up. Not sure at this time if the way the automated grading works or the IE/Python problems still aren't ironed out...by the time the 3rd Homework is completed I will have it all figured out. answered 06 Mar '12, 01:46 J Hal Grossman 975●1●6●20
 0 It was mainly a struggle to get "going" along with the Internet Explorer and Python too many versions problem(s). The homework answers still act strangely and I am not sure if it is the "Structure" or Internet Explorer browser that makes me feel uncomfortable with this set up. Conclusion: I am just not sure at this time if the way the automated grading works or it is the IE/Python problems still not completely ironed out...by the time the 3rd Homework is completed I will have it all figured out. answered 06 Mar '12, 01:52 J Hal Grossman 975●1●6●20
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