Professor

Chengxi Wang

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3.8
Overall Ratings
Based on 83 Users
Easiness 4.8 / 5 How easy the class is, 1 being extremely difficult and 5 being easy peasy.
Workload 4.8 / 5 How light the workload is, 1 being extremely heavy and 5 being extremely light.
Clarity 2.7 / 5 How clear the professor is, 1 being extremely unclear and 5 being very clear.
Helpfulness 2.8 / 5 How helpful the professor is, 1 being not helpful at all and 5 being extremely helpful.

Reviews (83)

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MATH 33B
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
Jan. 6, 2022
Quarter: Fall 2021
Grade: A

Super easy A. The lectures are basically the prof copying down the lecture notes (which are posted). Just find the example problems in the lecture notes that you need for exams and hw and you're set. She always tells what topics are on exams too.

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MATH 33B
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
March 25, 2022
Quarter: Winter 2022
Grade: A

This course is basically a free A course. Professor Wang basically went through the notes she posted and that's pretty much it. Tests are in the similar format as weekly quizzes and homework.

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MATH 33B
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
March 18, 2022
Quarter: Winter 2022
Grade: N/A

This professor's teaching ability is equivalent to that of a second grader. As long as you can read out loud and copy down things word for word, you would be able to teach this class at the same level as she does, maybe even better. If you want to learn anything, just read the textbook. There is no point in going to lecture because she zooms through the material while explaining the bare minimum, using confusing notation that seems very complicated at first with no explanation, and throwing random proofs and theorems at you with no logical sequential order. Half of the things discussed in class just come out of no where and make no sense when they're introduced because they just don't fit into the bigger picture of what was previously discussed, or at least the professor fails to show the class how new material is relevant until the point where you're too bored or lost to care. The tests are very easy (at least in online format) and the homework doesn't take longer than an hour (if that) to complete each week. Discussion sections could be useful as the TAs will probably be able to explain things better than her. Would greatly discourage from taking diff eqs with this professor, especially if being able to understand and use diff eqs is important for your major.

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MATH 33B
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
April 27, 2022
Quarter: Fall 2021
Grade: A

I took this class Fall Quarter my freshman year, so wasn’t really sure what to expect. The class ended up being pretty alright! The professor doesn’t really help you understand the material conceptually, but the TAs and Prof literally tell you the problems that are going to be on the midterms and finals. Lectures are very optional, discussion are decently helpful, and the lecture notes (pre-typed) are absolutely incredible.

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Aug. 31, 2023
Quarter: Spring 2023
Grade: A

easiest math class i've taken at ucla (i don't remember anything about the content) but take her if you can she's a g

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June 26, 2024
Quarter: Spring 2024
Grade: A+

Wang is genuinely unbelievable -- but in a good way (for you).

I went to the first lecture of this class, realized I would never in a million years be able to understand any material due to Wang's accent and her constant pauses and back-ups and jumps and turns, and from there on out I learned material once before the midterm, and then once before the final.

The weekly homeworks and quizzes are online and involve the absolute most basic problems from each section, so they're no big deal.

The day before the final, I realized I was in deep shit, as I hadn't learned any of the material past the midterm, which was during week 5. For some reason, the content is weighted heavily towards the second half of the class. Anyway, I pulled an all-nighter, and learned the entire course's material in the span of like 10 hours, something that I don't think would be possible in any other math class. Wang continues the trend of using basic problems on her midterm and final, so as long as you memorize the basic concepts, I find it hard to believe you could get worse than an A.

So basically, this is the professor you need to have for 33B. You probably won't learn the material nearly as well as if you took another professor's section, but it would take a great deal of effort to NOT get an A in this class. The day before the final, I was sure I was fucked, and I would end up with a B or C or worse. But after like 2 hours of grinding I realized the entire course could be memorized. Never felt more confident walking out of a test.

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June 23, 2024
Quarter: Spring 2024
Grade: A

This class was not bad at all. The professor is a little bit hard to understand but the lecture notes are all you really need.

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June 23, 2024
Quarter: Spring 2024
Grade: A

This class was one of the weirdest classes I've ever taken at UCLA. It's laughably easy, but that's because Dr. Wang is really bad at teaching the material. For one of the problems on the final, she literally gave us step by step instructions on how to solve it. If you're able to look at lecture notes and understand how to solve the problems she gives examples of, you should be golden. I've never taken a class were going to lecture was so pointless. Go if you need to be able to keep up with notes, but reading the lecture notes is actually a better way of studying. Also, she's almost never there??? Half of our lectures ended up being cancelled or moved online because she was at a conference. Overall, recommend if you want an easy A (although there is self-studying that you need to do), do not recommend if you want to actually understand anything about diff eqs past the basic "how do I solve this specific cherry-picked problem?"

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June 22, 2024
Quarter: Spring 2024
Grade: A

WANG IS GOATED. If you're a math major, you'd probably disagree because you definitely left with no knowledge from her; however, if you're looking for an EASY A, Wang has you covered. Her lectures are a bit wacky--I stopped watching after the midterm, but you could genuinely learn all her course material from videos or her quick examples in class, practice her previous exams from past quarters, and you will easily pass. Take this class at your own risk; you might not learn much.

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April 29, 2024
Quarter: Fall 2023
Grade: NR

Other reviews are being too generous. Wang's math 115 section was horrible. She would whisper during lectures and her notes looked like scribbles. We would all just look at each other trying to decipher what she was saying and what she was writing. I am not joking. We would tell her about this and she would raise her voice for maybe 15 seconds before going quiet again. We even told our TA to tell her something about her low voice which didn't do anything and she continued to whisper. I believe she would wear multiple face masks or just had a very thick mask on all the time, which muted her voice even more. She would solve problems on the board and I could not hear a word of what she was saying, but she still had the audacity to ask if we got it, LOL.

Besides this, she does offer very short homework and take home quizzes, which is nice, but they are nothing like her exams. I would look at the hw, quizzes, and lecture notes after the tests to see if I could find how to solve exam problems from them but they were very unrelated. She would do in-class reviews the week of midterms, which actually helped for the exam. I just find it pointless that you would teach for weeks and weeks but the only material you really need to know to do well on the exams is from the week of during the review. If i had skipped the first 4 weeks of lectures and just went to class during week 5, I'd do decently well on the midterm. I went into math 131 as if I hadn't taken an upper division intro to proofs course with math 115. If you see her grade distributions for other classes and think she's your best choice (like me), you're wrong. Attend one of her lectures before you enroll and you'll see what i'm talking about within the first 2 minutes, maybe even 30 seconds.

I took her class my first quarter here at UCLA and I am now in my spring quarter; I already know her class will be the worst class I will ever take at UCLA to put it bluntly. I feel bad for leaving such a negative review since she's a nice lady and has obviously earned her position if she's teaching here, but she is honestly not a very good instructor, atleast for math 115, and she needs to adjust the way she teaches and runs this course in the future. I would avoid her for the time being and take a different professor unless its one her other math courses that have grade distributions where 99% of the class gets an A.

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MATH 33B
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
Quarter: Fall 2021
Grade: A
Jan. 6, 2022

Super easy A. The lectures are basically the prof copying down the lecture notes (which are posted). Just find the example problems in the lecture notes that you need for exams and hw and you're set. She always tells what topics are on exams too.

Helpful?

0 0 Please log in to provide feedback.
MATH 33B
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
Quarter: Winter 2022
Grade: A
March 25, 2022

This course is basically a free A course. Professor Wang basically went through the notes she posted and that's pretty much it. Tests are in the similar format as weekly quizzes and homework.

Helpful?

0 0 Please log in to provide feedback.
MATH 33B
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
Quarter: Winter 2022
Grade: N/A
March 18, 2022

This professor's teaching ability is equivalent to that of a second grader. As long as you can read out loud and copy down things word for word, you would be able to teach this class at the same level as she does, maybe even better. If you want to learn anything, just read the textbook. There is no point in going to lecture because she zooms through the material while explaining the bare minimum, using confusing notation that seems very complicated at first with no explanation, and throwing random proofs and theorems at you with no logical sequential order. Half of the things discussed in class just come out of no where and make no sense when they're introduced because they just don't fit into the bigger picture of what was previously discussed, or at least the professor fails to show the class how new material is relevant until the point where you're too bored or lost to care. The tests are very easy (at least in online format) and the homework doesn't take longer than an hour (if that) to complete each week. Discussion sections could be useful as the TAs will probably be able to explain things better than her. Would greatly discourage from taking diff eqs with this professor, especially if being able to understand and use diff eqs is important for your major.

Helpful?

0 0 Please log in to provide feedback.
MATH 33B
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
Quarter: Fall 2021
Grade: A
April 27, 2022

I took this class Fall Quarter my freshman year, so wasn’t really sure what to expect. The class ended up being pretty alright! The professor doesn’t really help you understand the material conceptually, but the TAs and Prof literally tell you the problems that are going to be on the midterms and finals. Lectures are very optional, discussion are decently helpful, and the lecture notes (pre-typed) are absolutely incredible.

Helpful?

0 0 Please log in to provide feedback.
MATH 33B
Quarter: Spring 2023
Grade: A
Aug. 31, 2023

easiest math class i've taken at ucla (i don't remember anything about the content) but take her if you can she's a g

Helpful?

0 0 Please log in to provide feedback.
MATH 33B
Quarter: Spring 2024
Grade: A+
June 26, 2024

Wang is genuinely unbelievable -- but in a good way (for you).

I went to the first lecture of this class, realized I would never in a million years be able to understand any material due to Wang's accent and her constant pauses and back-ups and jumps and turns, and from there on out I learned material once before the midterm, and then once before the final.

The weekly homeworks and quizzes are online and involve the absolute most basic problems from each section, so they're no big deal.

The day before the final, I realized I was in deep shit, as I hadn't learned any of the material past the midterm, which was during week 5. For some reason, the content is weighted heavily towards the second half of the class. Anyway, I pulled an all-nighter, and learned the entire course's material in the span of like 10 hours, something that I don't think would be possible in any other math class. Wang continues the trend of using basic problems on her midterm and final, so as long as you memorize the basic concepts, I find it hard to believe you could get worse than an A.

So basically, this is the professor you need to have for 33B. You probably won't learn the material nearly as well as if you took another professor's section, but it would take a great deal of effort to NOT get an A in this class. The day before the final, I was sure I was fucked, and I would end up with a B or C or worse. But after like 2 hours of grinding I realized the entire course could be memorized. Never felt more confident walking out of a test.

Helpful?

0 0 Please log in to provide feedback.
MATH 33B
Quarter: Spring 2024
Grade: A
June 23, 2024

This class was not bad at all. The professor is a little bit hard to understand but the lecture notes are all you really need.

Helpful?

0 0 Please log in to provide feedback.
MATH 33B
Quarter: Spring 2024
Grade: A
June 23, 2024

This class was one of the weirdest classes I've ever taken at UCLA. It's laughably easy, but that's because Dr. Wang is really bad at teaching the material. For one of the problems on the final, she literally gave us step by step instructions on how to solve it. If you're able to look at lecture notes and understand how to solve the problems she gives examples of, you should be golden. I've never taken a class were going to lecture was so pointless. Go if you need to be able to keep up with notes, but reading the lecture notes is actually a better way of studying. Also, she's almost never there??? Half of our lectures ended up being cancelled or moved online because she was at a conference. Overall, recommend if you want an easy A (although there is self-studying that you need to do), do not recommend if you want to actually understand anything about diff eqs past the basic "how do I solve this specific cherry-picked problem?"

Helpful?

0 0 Please log in to provide feedback.
MATH 33B
Quarter: Spring 2024
Grade: A
June 22, 2024

WANG IS GOATED. If you're a math major, you'd probably disagree because you definitely left with no knowledge from her; however, if you're looking for an EASY A, Wang has you covered. Her lectures are a bit wacky--I stopped watching after the midterm, but you could genuinely learn all her course material from videos or her quick examples in class, practice her previous exams from past quarters, and you will easily pass. Take this class at your own risk; you might not learn much.

Helpful?

0 0 Please log in to provide feedback.
MATH 115A
Quarter: Fall 2023
Grade: NR
April 29, 2024

Other reviews are being too generous. Wang's math 115 section was horrible. She would whisper during lectures and her notes looked like scribbles. We would all just look at each other trying to decipher what she was saying and what she was writing. I am not joking. We would tell her about this and she would raise her voice for maybe 15 seconds before going quiet again. We even told our TA to tell her something about her low voice which didn't do anything and she continued to whisper. I believe she would wear multiple face masks or just had a very thick mask on all the time, which muted her voice even more. She would solve problems on the board and I could not hear a word of what she was saying, but she still had the audacity to ask if we got it, LOL.

Besides this, she does offer very short homework and take home quizzes, which is nice, but they are nothing like her exams. I would look at the hw, quizzes, and lecture notes after the tests to see if I could find how to solve exam problems from them but they were very unrelated. She would do in-class reviews the week of midterms, which actually helped for the exam. I just find it pointless that you would teach for weeks and weeks but the only material you really need to know to do well on the exams is from the week of during the review. If i had skipped the first 4 weeks of lectures and just went to class during week 5, I'd do decently well on the midterm. I went into math 131 as if I hadn't taken an upper division intro to proofs course with math 115. If you see her grade distributions for other classes and think she's your best choice (like me), you're wrong. Attend one of her lectures before you enroll and you'll see what i'm talking about within the first 2 minutes, maybe even 30 seconds.

I took her class my first quarter here at UCLA and I am now in my spring quarter; I already know her class will be the worst class I will ever take at UCLA to put it bluntly. I feel bad for leaving such a negative review since she's a nice lady and has obviously earned her position if she's teaching here, but she is honestly not a very good instructor, atleast for math 115, and she needs to adjust the way she teaches and runs this course in the future. I would avoid her for the time being and take a different professor unless its one her other math courses that have grade distributions where 99% of the class gets an A.

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