MATH 33B
Differential Equations
Description: Lecture, three hours; discussion, one hour. Enforced requisite: course 31B with grade of C- or better. Highly recommended: course 33A. First-order, linear differential equations; second-order, linear differential equations with constant coefficients; power series solutions; linear systems. P/NP or letter grading.
Units: 4.0
Units: 4.0
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Most Helpful Review
Winter 2019 - This is the a review for his 151B class. It is the easiest math class that I have ever taken in my life. I have already taken Vese's 151A, 155, the two classes that are well known for easy A, but this class is even easier. I would rank them as follow Vese's 151A > Vese's 155 > Chris Anderson's 151B.
Winter 2019 - This is the a review for his 151B class. It is the easiest math class that I have ever taken in my life. I have already taken Vese's 151A, 155, the two classes that are well known for easy A, but this class is even easier. I would rank them as follow Vese's 151A > Vese's 155 > Chris Anderson's 151B.
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Most Helpful Review
Winter 2018 - Professor Ben Neria always wrote everything on the whiteboard - literally everything. He wanted you to have the clearest view of class contents...however that may not be a fascinating way. Also, he might only cover things not covered in the textbook...which means you need refer to a complete notebook when you are preparing for tests. Ok, here's the breakdown of grades (from syllabus): "Your final numerical score will be computed according to the following scheme. S = 10% homework + 20% midterm 1 + 20% midterm 2 + 50% Final exam." BTW, the tests are not so intimidating, as long as you really put your heart into this course. Great professor. A bit accent.
Winter 2018 - Professor Ben Neria always wrote everything on the whiteboard - literally everything. He wanted you to have the clearest view of class contents...however that may not be a fascinating way. Also, he might only cover things not covered in the textbook...which means you need refer to a complete notebook when you are preparing for tests. Ok, here's the breakdown of grades (from syllabus): "Your final numerical score will be computed according to the following scheme. S = 10% homework + 20% midterm 1 + 20% midterm 2 + 50% Final exam." BTW, the tests are not so intimidating, as long as you really put your heart into this course. Great professor. A bit accent.
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Most Helpful Review
I've never seen a professor try to help everyone in the class understand the material more than Conley. He has 4 and a half hour review sessions for midterms and finals. Had him for 33a and taking him for 33b. I got a B in 33A but I made errors on the final. If I didn't screw up I could have gotten an A-. And his lectures are always recorded. Take him as much as possible.
I've never seen a professor try to help everyone in the class understand the material more than Conley. He has 4 and a half hour review sessions for midterms and finals. Had him for 33a and taking him for 33b. I got a B in 33A but I made errors on the final. If I didn't screw up I could have gotten an A-. And his lectures are always recorded. Take him as much as possible.
Most Helpful Review
**Disclaimer** I'm assuming that this is the same professor as Shouxin Dai, a math teacher at UCLA. If I am wrong, disregard this. ************** Professor Dai is one of the fairest teachers I've ever had. His lectures cover exactly what is on the midterms and finals, which were pretty straightforward. He really does not try to trick students; instead he tests our ability to use methods and concepts taught in class. He does have an accent and says some things a little different than what most people are probably used to (like x^3 is "x cubic"). But it's kind of funny and really not an issue. His examples are pretty clear and he ALWAYS takes his time in lectures--never rushed sections, never pinned extra material on us, completely fair in my opinion. He is also very willing to spend more time on examples or explanations if something is unclear. He really is a nice man and a great professor and I highly recommend taking him if you get the chance. Even if he is the earlier lecturer, it's worth it.
**Disclaimer** I'm assuming that this is the same professor as Shouxin Dai, a math teacher at UCLA. If I am wrong, disregard this. ************** Professor Dai is one of the fairest teachers I've ever had. His lectures cover exactly what is on the midterms and finals, which were pretty straightforward. He really does not try to trick students; instead he tests our ability to use methods and concepts taught in class. He does have an accent and says some things a little different than what most people are probably used to (like x^3 is "x cubic"). But it's kind of funny and really not an issue. His examples are pretty clear and he ALWAYS takes his time in lectures--never rushed sections, never pinned extra material on us, completely fair in my opinion. He is also very willing to spend more time on examples or explanations if something is unclear. He really is a nice man and a great professor and I highly recommend taking him if you get the chance. Even if he is the earlier lecturer, it's worth it.
Most Helpful Review
Fall 2019 - WARNING: Professor Karthik is a weeb that likes One Punch Man! Jokes aside, Professor Karthik gets a lot of slack for being a "bad lecturer" and a person who focuses more on conceptually understanding the material rather than simply applying techniques to solve problems. I found his approach to be, while sometimes overbearing, more helpful in the long run than other math professors. Your grade will consists primarily of homework, two midterms, and one final, all of which will be posted on Gradescope. The homework consists of textbook problems and his own personal problems; the textbook problems will be a breeze, while his problems will require a bit more thinking. His midterms are mostly easy computational problems with a few problems testing your conceptual knowledge. His final is also similar, but consists of more conceptual problems; none of his exams are super difficult, but it wouldn't be fair to say that they are a breeze either. Karthik's method of lecturing initially began with lecturing on the blackboard, but he switched to slides after our review and inputs, which worked out much better. He does go a little too quickly with his slides, but asking him to go a few slides back will generally get him to slow a bit. Other than that, his lectures are fairly standard; they get the material across, and that's about it. You learn. That's what you're here for anyways. Overall, Karthik left a really bad impression in his first few weeks, but improved immensely over the next few weeks, making him one of the few professors at UCLA that actually adapt to his students rather than the other way around. I suspect that he'll continue using slides in the future, and that he'll mellow out and became a better lecturer by next quarter. I would rate him a 3/5 overall for now, but note that he will probably become better as time goes on. PS: Karthik really cares about his students, but he does send out a rather excessive amount of emails pertaining to important information. Prepare your inboxes to be spammed (but do read the emails, they're usually helpful.)
Fall 2019 - WARNING: Professor Karthik is a weeb that likes One Punch Man! Jokes aside, Professor Karthik gets a lot of slack for being a "bad lecturer" and a person who focuses more on conceptually understanding the material rather than simply applying techniques to solve problems. I found his approach to be, while sometimes overbearing, more helpful in the long run than other math professors. Your grade will consists primarily of homework, two midterms, and one final, all of which will be posted on Gradescope. The homework consists of textbook problems and his own personal problems; the textbook problems will be a breeze, while his problems will require a bit more thinking. His midterms are mostly easy computational problems with a few problems testing your conceptual knowledge. His final is also similar, but consists of more conceptual problems; none of his exams are super difficult, but it wouldn't be fair to say that they are a breeze either. Karthik's method of lecturing initially began with lecturing on the blackboard, but he switched to slides after our review and inputs, which worked out much better. He does go a little too quickly with his slides, but asking him to go a few slides back will generally get him to slow a bit. Other than that, his lectures are fairly standard; they get the material across, and that's about it. You learn. That's what you're here for anyways. Overall, Karthik left a really bad impression in his first few weeks, but improved immensely over the next few weeks, making him one of the few professors at UCLA that actually adapt to his students rather than the other way around. I suspect that he'll continue using slides in the future, and that he'll mellow out and became a better lecturer by next quarter. I would rate him a 3/5 overall for now, but note that he will probably become better as time goes on. PS: Karthik really cares about his students, but he does send out a rather excessive amount of emails pertaining to important information. Prepare your inboxes to be spammed (but do read the emails, they're usually helpful.)
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