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I took 2 classes this summer with Arant back to back and by the end, I was tired of his voice and unnecessary explanation. He's very knowledgable for his age but sometimes he gets confused on small stuff and calculation. His lecture notes are very well organized but the lectures itself is not engaging. Be prepare for the time consuming hws which sometimes takes few days to be done and only worths 20% of your grade. From my experience his midterms are much harder than his final exam but it doest change anything since they all worths equally. Overall I would recommend him since there are no better instructors for this class.
The class itself I found super dense. It is extremely theoretical and proof based, but if you take the time to memorize the proofs and the application, you will do fine. The professor was extremely helpful and clear, one of the best math professors I've had at UCLA.
Not bad at all. The tests are easy. The homework is frustrating because you want to prove everything by appealing to common sense, but eventually the process of proofs for seemingly trivial ideas becomes fun. You gain a deeper understanding of the topics covered: fields, series, sequences, and functions, and derivatives (in one-dimensional calculus).
131a is by definition going to be an insanely hard class. for everyone. so please keep that in mind. my whole class struggled together, and arant helped A LOT.
i think he's a great choice for 131a. Arant was unbelievably understanding. I always talked to him in office hours about my test anxiety and overall concerns and he was super down to earth and understanding, especially since this was our first in person quarter for a year and a half due to covid. grading is 20% homework, 20% midterm 1 20% midterm 2 40% final OR you can drop a midterm and have it be 30% with the final being 50%. most people dropped the second midterm since it was a complete shit show. I got F's on every exam and ended with a B-, so you really just have to hold your breathe and try your best until the end. He makes the material easier to understand, my advice would be to READ THE TEXTBOOK. every damn page. also buy the homework answers online (textbook solutions) through quizlet, it will save your life since the homework is really hard otherwise. He posts the recordings and his notes asap so you'll always have resources, and posts helpful 'what to know before the exam' sheets which I also really liked. i think he curved the class 20% since i had a 60% raw and ended with a B-. so that was really nice. i did email him after the second midterm basically in tears and he was super responsive and helpful. love this guy. TLDR: take him. it's going to be hard but he will help you!