Professor
Chengxi Wang
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Most Helpful Review
Winter 2023 - Super easy class. The tests are really simple and the homework load is very light. I studied for pretty much the entire course content the day before the final and passed easily. Never attended a lecture. Would highly recommend the 3blue1brown video series about linear algebra because I think it teaches the concepts much better than the professor and is easier to follow than the textbook.
Winter 2023 - Super easy class. The tests are really simple and the homework load is very light. I studied for pretty much the entire course content the day before the final and passed easily. Never attended a lecture. Would highly recommend the 3blue1brown video series about linear algebra because I think it teaches the concepts much better than the professor and is easier to follow than the textbook.
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Most Helpful Review
Fall 2023 - 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.
Fall 2023 - 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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