Bailin Song
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Bailin Song

Assistant Adjunct Professor

bailinso@math.ucla.edu

MS 6617D

310-825-3068

Rating

Not Effective
2.56
Very Effective
Very Hard
4.47
Very Easy
Not Concerned
4.59
Very Concerned
Not Available
5.69
Very Available
Not Good Overall
3.78
Very Good Overall

Grade history

Differential Equations

Mathematics: 33B - Spring 2010

A+
0.0%
A
15.5%
A-
9.3%
B+
10.3%
B
14.4%
B-
7.2%
C+
13.4%
C
11.3%
C-
12.4%
D+
3.1%
D
1.0%
D-
0.0%
F
2.1%

Pass: 2 ~ No Pass: 0 ~ Satisfactory: 0 ~ Unsatisfactory: 0 ~ Incomplete: 0

Integration and Infinite Series

Mathematics: 31B - Winter 2010

A+
0.6%
A
13.0%
A-
12.4%
B+
7.9%
B
15.3%
B-
8.5%
C+
13.6%
C
18.6%
C-
8.5%
D+
0.6%
D
0.0%
D-
1.1%
F
0.0%

Pass: 1 ~ No Pass: 0 ~ Satisfactory: 0 ~ Unsatisfactory: 0 ~ Incomplete: 0

Calculus for Life Sciences Students

Mathematics: 3A - Fall 2009

A+
0.5%
A
12.3%
A-
11.8%
B+
9.7%
B
12.8%
B-
9.7%
C+
9.7%
C
17.4%
C-
8.2%
D+
3.6%
D
3.1%
D-
0.5%
F
0.5%

Pass: 0 ~ No Pass: 1 ~ Satisfactory: 0 ~ Unsatisfactory: 0 ~ Incomplete: 0

Evaluations

Posted 06/16/2010
Course(s) taken: Mathematics: 33B

This guy is alrite. He has strong accent that no one understands, so going to lecture is only for the notes. The homework is long, but definitely do them as most exam questions are straight from the homework problems. For the finals, I only studied his notes and the homework problems and I got a solid A. Good luck :D

Posted 06/12/2010
Course(s) taken: Mathematics: 33BX

The class is alright because you can study on your own and get a decent grade. However, if you think you would understand his accent, you are so wrong! I tried for the longest time listening to him very carefully during lecture but didn't. Doesn't know how to use mic, horrible handwriting, etc. Not recommended!

Posted 05/15/2010
Course(s) taken: Mathematics: 3A

I took AP Calculus AB in high school and got a 4 on the exam. that being said: Professor Song is easy as hell. His first midterm was a joke, but people still managed to screw up, how I do not know, MAYBE BECAUSE THEY ARE STUPID. The homework is 15%, so do well on it and it is free points. He drops your lowest midterm, which is cool. The final was a bitch, but HE HAS SUCH A NICE CURVE. THE CURVE WILL HELP YOU SOOO MUCH!

PROFESSOR SONG CANNOT SPEAK A WORD OF FUCKING ENGLISH! he is korean, AND EVEN THEN I DONT THINK HE SPEAKS KOREAN WELL EITHER! I THINK HE DOESNT KNOW HOW TO SPEAK AT ALL HAHA! HE NEEDS TO LEARN ENGLISH! He probably is here for some research on proving why 1+1 =2. HE IS A TERRIBLE EXPLAINER! DO NOT GO TO lecture, it is a useless waste of time. Just go to discussion, bring your book with you and just make your ta work all the week's hard homework problems. In other words, make your TA do some work for you. If you have a ta named Haokun, avoid him! He talks like a fag and a robot, nobody likes him. He got pissed cause some kids in our discussion called him at 11:30PM and woke him up for help on homework. If yo get a B grade in this, then you are stupid. OH ON A COMPLETELY FUNNY NOTE: I SKIPPED LECTURE ALL THE TIME, BUT I MISSED THE MOST IMPORTANT LECTURE: THE LECTURE WHEN HE WORE SUPER TIGHT PANTS THAT SHOWED HIS YOU KNOW WHAT!!!! HAHHAHAHAHAHAHAH!!

I GOT AN A+ IN THIS CLASS AND I SUCK ASS AT MATH! THIS CLASS IS STUPID, TAKE IT. IT IS AN EASY A

Posted 03/30/2010
Course(s) taken: Mathematics: 3A

Professor Song seems like a nice guy. Maybe he is, but the other reviewers were NOT KIDDING about his accent. It's very difficult to understand what he is saying sometimes, and his writing (on the board) is usually not much clearer. If you already have a good understanding of calculus, you'll probably be fine in his class and don't even need to go to his lectures--his tests were straightforward and maybe not super easy, but nowhere near impossible. I took the class without knowing any calculus and I still got a B so that should say something about the tests. His office hours are completely useless and he doesn't do reviews so make sure you have a study group and/or tutoring if you think you'll need help!

Posted 03/28/2010
Course(s) taken: Mathematics: 31B

Honestly, even I am a chinese, I can't understand his english. His english is more than accent. He can't pronounce a word correctly. And his curve is not generous at all. Avoid him if you could.

Posted 03/25/2010
Course(s) taken: Mathematics: 31B

UCLA is all about trying to make itself seem like a diverse campus. One way they show this is through their hiring of professors. So many will have an accent. Song is one of them. Usually, you adapt to it, and maybe even enjoy it, but not with Song, unless you laugh at his grammatical/oral mistakes.. His accent is very hard to get past. I thought by now, I was a pro at understanding people, but boy was I wrong.

Song's lectures are the book, so going to lectures is not always efficient except for turning in homework on Fridays. Sometimes, he made errors, and the class would correct him, or even point out which page in the book he was miscopying from. Really guys. His lectures are close to pointless.

He is, however, lenient with homework. Like, he would ignore people turning in their homework in the middle of his lectures, and even accept it if you turned it in at the end of class after doing it during class. If you have a morning class with this guy, and you oversleep for various excuses, then you can drop off your homework in his office hours after class. Just say something like: "I forgot to turn it in, whoops.." Just to be on the safe side, don't just depend on turning in your homework after missing class, because he might get irritated if you keep showing up or something (just saying), although turning it in when he is in the classroom/building is perfectly fine. If you ever need homework help, find a buddy to compare answers with, ask your/a T.A., and try visiting the student math help center.

His T.A.'s or at least one of them, will be a great help. Go an check each of their sections out. Some will hold review sessions before the midterms and final, so that is pretty good. Just see which one you can learn with, and also remember to visit your official T.A. at least once in a while to, for the least, pick up homework or past midterms.(Covel Tutoring also helps, but if you can't get in, there is AAP and the Rieber Fireside Lounge drop-in tutoring.)

Speaking of which, his midterms are super do-able. He had a high curve for his first one, and so he thought he would try to make the second one harder. It's not the end of the world if you don't do well in these. They count for a small part of your grade, compared to the final.
The final is...your life. If you don't do well, or on the curve at least, expect somewhere around a B- or lower, depending on how low your final is and how your midterms turned out. Try out the test bank in the Student Activities Center, it might help. A good way to study is to redo homework problems, or try whatever types of problems you have covered in class in the Chapter Review. Also, you get a cheat sheet, so memorization is not an issue (if you write really small on that cheat sheet), it's just thinking and how to apply formulas/techniques (new or from the last midterm), into the problems.
Each exam has a bunch of questions, with the first composed of multiple parts for short answers usually. Check your answers if you have time.
So basically, for Math 31B, his lectures are win-or-lose (you might learn something, as if(joking), or you might be wasting precious (sleep) time), you be the judge. Try other professor lectures. His homework is simple and you shouldn't panic over it too much. Find a buddy, go to a discussion, find help if you need it in general, somehow. Study for midterms, and with a T.A. in review sessions. Study harder for the Final. I'm making his class sound a lot more difficult than it should be, but that still doesn't mean you should always underestimate it.. Alright then, good luck. :)

Posted 03/25/2010
Course(s) taken: Mathematics: 31B

Ewwww. I would enroll in this class, but go to some other professor's lectures. This guy knows some math, but he sure can't teach it well enough... His midterms were a piece of cake, but his final was a %$#&@. Go to discussion sections, and maybe get some covel tutoring. Song is nice about hw thought, since you could go to his office hours and turn in the hw and still get full credit, assuming you did all of your work okay.

Accent: booo
Homework/midterms: woo
final: meh...

Posted 03/20/2010
Course(s) taken: Mathematics: 31B

Everything that has been said about his accent is completely true. I remember the first time he spoke, my friends and I all turned to each other and started asking each other WTF is he saying! But after 3 weeks, you will slowly get accustomed to it and able to comprehend "most" of what he is saying. Once you are able to understand what he is saying, the problem is, he just isnt a very good teacher. He does make an effort to explain things if people are lost but not very clearly. The TAs on the other hand seem to do a much better job. My TA summarized everything that had been said in lecture, so discussion was much more beneficial than lecture. I stopped attending lecture for the last 5 weeks and just read the book since Song's examples and notes are straight out of the book anyway. Midterms are really easy so dont screwed up or the curve will eff you over. No quizes, only weekly hw assignments due on Friday. Final was quiet difficult.

Posted 03/14/2010
Course(s) taken: Mathematics: 3A

I took 3A with this professor. He is a great professor and his accent is honestly not that difficult. The only thing is that he tends to have his classes be in the morning. His exam averages were good-- around a 70% compared to the other lecture whose average was around a 35%. Take it from me...there are no amazing math professors at UCLA. It's a research school. Don't look for the most "effective professor." Look for the EASIEST. They're all not that effective. They are all lacking in something. This guy has an accent...so what? You'll get an A in the class for sure as long as you try.

Posted 03/11/2010
Course(s) taken: Mathematics: 31B

Effectiveness: I completely agree with others on here about the communication gap. Being at UCLA, you get used to accents of all types from all over the world. And generally, you can get past them. Not with Song. Not at all.
Difficulty: If you can learn the material by reading the textbook or some other way (tutoring, TA office hours, etc.), then you shouldn't have a *problem* with Song's class. It just won't be as enriching as it can/should be. He lectures straight out of the book, assigns the easier homework problems, and allows you to have a cheat sheet on every test.
Overall: If you are fine with not being able to fully understand a single lecture and think you can learn the material yourself, you'll be fine with Song. Certainly not the best, but STILL better than C. Martin (Visiting Professor).

Posted 02/24/2010
Course(s) taken: Mathematics: 31BH

Communication and a few of its definitions:
-able to converse in any language
-able to explain anything in particular
*vital for teaching

If Song was capable of this, then i wouldnt be writing this review. But wait, it cant be that bad right? YES IT CAN!! I went to his office hour and could not understand him. HE WAS SITTING RIGHT NEXT TO ME!! I asked him for help and he made sounds using his vocal cords and just TOOK my paper and TOOK my pencil and just started doing the problem. And DIDNT finish. If you are good at math dont go to class (just read the book IT IS THE SAME, if not BETTER, because the book is able to freaking COMMUNICATE!!!). If not I suggest Brown, a very caring professor who CARES ABOUT TEACHING.
Something else to think about- how in the heck did Song not get denied during his interview? I mean i wouldnt hire someone who is unable to hold a conversation? Anyway I thought 31b was a particularly hard class and it would be nice if i had an instructor LIKE I SHOULD HAVE HAD.

Posted 02/24/2010
Course(s) taken: Mathematics: 33B

A VERY awful professor. I have tons of experience with Chinese professors who started English late in life and have never had a problem understanding them, even when others in the class were complaining about it. That said, this guy is incomprehensible. Apart from that, he has nothing to offer.
His lecture consists of silently copying something from his notes (which is straight from the book) on the black board for like two minutes with very sloppy handwriting and then discussing it in his special Chinese-English pidgin, or whatever one could politely call it. I'd say only about 10% of the class was going to lecture consistently.
Given all this, differential equations is a very easy thing to learn, the UCLA course is very slow-paced (only a few chapters total) and the Polking book is very clear. Learn it on your own, like you probably do with most math. So if you are one of those blessed few who actually demands engaging instructors from your university, avoid this guy. He certainly damaged my idea of what kind of school UCLA is and who they let teach.

Posted 02/24/2010
Course(s) taken: Mathematics: 31BH

His accent makes it impossible to understand and if you are slightly not interested in the subject or a little sleepy, there's no way you can stay awake in th class!

Posted 02/21/2010
Course(s) taken: Mathematics: 132

Extremely thick accent, and very sloppy on the board. He would just rush through lectures and just write everything on the board without stopping much to ask for questions. Would definitely avoid this professor

Posted 12/16/2009
Course(s) taken: Mathematics: 3A

I took AP Calculus AB in high school and got a 4 on the exam. that being said: Professor Song is easy as hell. His first midterm was a joke, but people still managed to screw up, how I do not know, MAYBE BECAUSE THEY ARE STUPID. The homework is 15%, so do well on it and it is free points. He drops your lowest midterm, which is cool. The final was a bitch, but HE HAS SUCH A NICE CURVE. THE CURVE WILL HELP YOU SOOO MUCH!

PROFESSOR SONG CANNOT SPEAK A WORD OF FUCKING ENGLISH! he is korean, AND EVEN THEN I DONT THINK HE SPEAKS KOREAN WELL EITHER! I THINK HE DOESNT KNOW HOW TO SPEAK AT ALL HAHA! HE NEEDS TO LEARN ENGLISH! He probably is here for some research on proving why 1+1 =2. HE IS A TERRIBLE EXPLAINER! DO NOT GO TO lecture, it is a useless waste of time. Just go to discussion, bring your book with you and just make your ta work all the week's hard homework problems. In other words, make your TA do some work for you. If you have a ta named Haokun, avoid him! He talks like a fag and a robot, nobody likes him. He got pissed cause some kids in our discussion called him at 11:30PM and woke him up for help on homework. If yo get a B grade in this, then you are stupid. OH ON A COMPLETELY FUNNY NOTE: I SKIPPED LECTURE ALL THE TIME, BUT I MISSED THE MOST IMPORTANT LECTURE: THE LECTURE WHEN HE WORE SUPER TIGHT PANTS THAT SHOWED HIS YOU KNOW WHAT!!!! HAHHAHAHAHAHAHAH!!


I GOT AN A+ IN THIS CLASS AND I SUCK ASS AT MATH! THIS CLASS IS STUPID, TAKE IT. IT IS AN EASY A

Posted 12/13/2009
Course(s) taken: Mathematics: 3A

Professor Song's class overall was pretty easy he's not a great professor. He really does understand his stuff but his thick, heavy accent gets in the way. The problems he shows us as examples are from the book, which sucks. I only passed the class because I took calculus in high school, just having basic knowledge of calculus will help you pass. His midterms and finals were pretty hard (the class average for the final was a 64%) but he has a very generous curve (I got C's for both midterms and a D for the final and ended up getting a B-...yeah I know I was like wtf too. But I don't mind :D). He lets you have a cheat sheet for all three exams. Problems he gives in the notes usually show up in the midterms/final. Homework is due once a week on Friday's and it's not a lot of problems. There aren't any quizzes.

Posted 12/09/2009
Course(s) taken: Mathematics: 33B

In all honestly, Song is a pretty lousy professor. His lectures are borderline incomprehensible, and you have to mostly study from the book. That being said, his midterms and final were extremely easy...mostly homework questions regurgitated with different numbers. I probably skipped half my lectures and did decently well on the midterms and final, so I am expecting a B+/A-, if his curve is generous then an A is also possible. My recommendation: if you can study on your own from the book, take Song. His class is extremely easy as long as you can teach yourself.

Posted 12/08/2009
Course(s) taken: Mathematics: 3A

He is a nice guy and responds to email but is socially awkward. His exams are on the easier side compared to some of the other professors at UCLA. BUT he can't speak English for shit it's more like Korengrish. Seek outside help such as Covel, AAP, or Swartwood tutoring if you want to do well in this class. Do well on all the homework and one midterm (he drops one midterm). I got a 70 on the first midterm and a 87 on the second and because of that I have a 100 going into the final with the curve. Lecture is pointless since he can't speak English and reads from the book. If you decide to take this class just do the homework, turn it in, and get outside tutoring and you'll be more than fine.

Posted 12/01/2009
Course(s) taken: Mathematics: 3A

Basic summary: Bailin is a "professor" who may as well be a textbook written in a foreign language with its pages mixed up and coffee stains over certain key words.
His lectures are mechanical with no fluidity or spontaneity with added confusion thanks to his heavy accent, bad grammar and random mannerisms. I literally went into some of his lectures understanding material and came out having no clue how I possibly once understood it. If you can avoid this lecturer do. If not, then going to your discussions is essential (take Siddhartha) as well as really working through the book and all the problems you can get your hands on. I highly recommend also signing up for Covel tutoring. "OK?"

Posted 11/28/2009
Course(s) taken: Mathematics: 3A

His accent may not seem like a reason to avoid taking the class, so let me point out some other "good stuff". Horrible grammar to the point of not understanding his notes on the board. Poorly planned out examples that drag on, and if you do nod off you'll find yourself confused at why the problem looks so different from the orginial. He constantly makes simple adding and multiplication mistakes so if you have not had calculus in the past I would suggest taking a different professor so that the concepts won't be swayed by his constant errors. If you are so lucky as to be stuck with his lecture as your only option, I would suggest going to every discussion, especially if you get Siddhartha since he is extremely straightfoward and had had a phd in math.