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What are/ were some of your good mathematician's study habits that you found really worked for you? I'm a CS major at a respected school and have a solid GPA... However, I definitely lack when it comes to getting great grades in relatively higher level maths (300 and 400 level). I feel that even though I study a lot, I perhaps don't study effectively enough. I would like to ask for any tips/ tricks as to how you keep yourself focused, motivated etc that could perhaps help me or others. Thanks in advance.

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Why does this have 3 close votes as "not a real question"? Seems pretty real to me. –  Matt N. Sep 6 '12 at 15:21
    
relatively higher level maths (300 and 400 level) - what does that mean? –  moose Sep 7 '12 at 20:34
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Just for the record: I'm not the same Matt who asked the question and also not the Matt who posted an answer. But I did post the previous comment to the OP. –  Matt N. Sep 9 '12 at 19:45
    
I'm about to cast a close vote with the intent to reopen it afterwards. –  Matt N. Sep 9 '12 at 19:45
    
@moose Some would consider the 300 and 400 level math classes as not being "higher level" compared to, say, 600 level courses. As an undergrad, these are usually the highest level courses that someone will take. I mean what I said, but to put it another way these courses are more difficult than 100 or 200 level, which I am accustomed to. Therefore they are higher level than what I am used to. So, relatively speaking these are higher level courses. I hope that clears it up for you. –  Matt Sep 9 '12 at 21:56
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7 Answers

Here are some suggestions:

  1. Solve problems

  2. Look at what good schools tell their students, for example:

In addition, I would recommend learning a Computer Algebra System (like Mathematica) and learn to explore problems and find various avenues to solve problems.

Please see: http://en.wikipedia.org/wiki/Comparison_of_computer_algebra_systems

I hope that gives you some ideas and things to research further.

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+1 for "Solve problems," and being listed first. Memorizing proofs can be helpful, but you only have half the mastery of the material if you aren't skilled at solving problems. –  nayrb Sep 6 '12 at 15:18
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Here's something I didn't do until grad school, but wish I had started earlier. Depending on my schedule each quarter I find one hour every single morning that I set aside for "basics."

I find that I absolutely must specify this hour for that and only that if I'm going to psychologically get myself to do this. Otherwise I'll just keep putting it off for later and later in the day until I just don't get around to it. Everything else will seem more important, but I've found this time to be extremely useful.

Here's what I use the time for. Take a textbook on a subject you're learning (presumably the assigned textbook, but certainly others work to get a variety of perspectives). Start going through it. By going through it I mean you have a huge stack of paper (usually from the recycling next to a public printer). You read the book, and after every single sentence make sure you can justify why it is true.

Paragraphs from the book will sometimes transfer to many pages of your own writing. Also, don't let the topics get too fancy. This time is set aside for basics.

What I find odd in math compared to practically everything else is that this type of thing isn't emphasized. Even the top musicians in the world set aside time for scales everyday. It is easy to forget while struggling to play a hard piece of music that the basics are what makes it easy to put together (what am I talking about again?).

Maybe everyday is excessive for an undergrad class, but I think a few times a week will really get your brain in gear to understand the harder topics, and it will certainly help you fill in the details of proofs on quizzes/tests if you've already carefully thought through why the steps of the big theorems are true.

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From next week onwards I will do this, every morning I will spend one hour in brushing up basics. –  Ram Sep 7 '12 at 12:50
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+1. This is exactly what I've been doing since the start of high school. It has helped immensely. I generally do this for courses which I haven't yet taken. This way, once I take the course for real, I've already been exposed to most of the concepts, and can focus more easily on problem-solving. –  Jesse Madnick Sep 12 '12 at 4:12
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In my approach, though, I keep my writings. This has the advantage of making me feel very productive, and thereby more inspired to continue the next day. Also, since I usually ask a lot of my own questions while reading -- the answers to which I often forget! -- these papers give me a convenient space for thinking things through. –  Jesse Madnick Sep 12 '12 at 4:14
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I consider myself to be a very slow learner, in part because of an (obsessive) insistence on thoroughness. Most actual courses I take seem to go too fast for me to retain anything. This method of previewing fixes it. (Sorry to write so much, but I really attribute many of my little mathematical successes to this system -- in spite of constantly feeling like a relatively slow learner.) –  Jesse Madnick Sep 12 '12 at 4:17
    
I don't really understand this answer. What you call "basics" is how I spend most of my study time. You also only do this for an hour? What is your main study time like and what do you study? I thought what you were going to say was re-studying prerequisites in the morning as "basics". –  Bryan Urízar Aug 22 '13 at 23:25
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Let me add to the excellent advice from both @Amzoti and @user33263.

As you move on to higher level courses, the maths gets conceptually more difficult. Especially in books with a more traditional flavour, you can be thrown a stack of definitions with -- apparently -- not much motivation. You can be wondering "why is this notion important?", "what is the interest of that theorem?". And even if, with effort, you can tackle the exercises and jump through the hoops of showing that so-and-so follows from such-and-such, you can still initially be rather baffled by what's going on. (I found this, for example, when I recently started trying to teach myself some category theory.)

If you work at it, with luck, you should get more of the hang of things. But you can speed up the process considerably if you look at a lot more than one presentation of the basic ideas. If you are set a course text, the lecturer will of course think the book has its virtues. But there will be a lot of other texts out there with rather different virtues. Look at how they introduce basic ideas, motivate basic definitions, explain proof ideas, explain why they introduce the topics they do in the order they do, etc. etc. (That doesn't mean reading them all with the same detailed attention you have to give to your course text.)

You learn the geography of your city, learn your way around, by walking different routes, coming at places from different directions. Similarly, you should learn mathematical geography (so to speak) by coming at things from the different angles which a selection of different (or different enough!) texts will provide. That will help you feel more at home in a new area quicker, and (hopefully) engender a richer understanding of what's going on than you are likely to get from sticking to just one or two textbooks.

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I am also from CS background, and now student of mathematics, initially I too struggled alot as I have 0 formal maths background and also everything is self study.

As far as my experience says,

  1. Pick a right book to start with, don't go for some fancy book, every one suggested me, "Start Linear Algebra with Hoffman and Kunze", I found it a mystery, so I decided to go back and do preliminary stuff before, and searched Amazon found "Insel", which is sufficient and also elementary.

  2. Once you feel you have enough basics then go for advanced book, if you struggle with some book, better check for your preliminaries, do basics again.

  3. Some books deal some topics better than others, like Serge Lang Algebra book is very good, but if you are new to Galois Theory, its always better to read Morandi than Serge Lang, and for other topics follow Serge Lang.

  4. Do all the exercises, think about what you read before starting solving exercises, if you feel some particular area hard, do more problems there.

  5. Check with other solutions available online, if you do some thing wrong or if you miss anything you can always correct your mistakes this way.

  6. Think of explaining the subject to some one who is illiterate in Maths.

All the best.

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You should be pleased that you can see where you stand and that you don't delude yourself.

My suggestion (not unique) is to try to explain any process you are engaged with - a concept, a theorem, a h.w. problem - so that you can convince yourself as well as be able to explain it to anyone. To make the point, you may even want to present some necessary background material and elaborate on the relevant definitions.

With your sense of self-honesty you will easily be able to see where you may be stuck or have a hole in your grasp of the material.

You can do this any time, taking a walk (I even do it while swimming laps), etc.

I think working out like this can give you a sense of confidence and, as you resolve issues, a good grasp of the material.

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I do not agree with this black and white view of understanding. It seems to be more subtle than that. While I can understand enough to solve certain problems at some point in time I might reach a much deeper understanding of it at a later point in time. Deeper meaning that I properly see what's going on. But of course that's my very subjective view and the way I work, I am not saying that your opinion is invalid. –  Matt N. Sep 6 '12 at 17:44
    
(only referring to your first sentence, btw) –  Matt N. Sep 6 '12 at 17:45
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It is quite not true that «one either understands something or one does not»: understanding is something that comes in layers, except for the utmostly most trivial things. –  Mariano Suárez-Alvarez Sep 6 '12 at 17:59
    
I intended that you don't sort of understand convergence. You need a working understanding of the concept. I still think that if you can stand up and explain something to yourself or others then you are on the right track. As far as coming in layers, of course you are right; you don't just "get" the Sylow Theorems, it comes with a lot of stages of understanding, but I do think that at each of those stages, sooner or later, you do have to get it to take the next step - which is based on the prior notion. Anyway, I'll fix it to make it less my opinion and more of a palatable suggestion. Thanks –  Andrew Sep 6 '12 at 18:49
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You asked why you are not getting good grades in higher level math course. Start by looking at how the grades are actually given for these courses. It all based on an exam or split with weekly course work? Are the types of questions different that on the lower level courses that you did well at? For example do they expect you to write out longer proofs, do they refer to concepts not fully explored in the lectures? You might also ask your teacher for ideas on how you can improve you grades. And get hold of past years questions for the exams and course work and do them.

Secondly higher level math course often depend on more concepts from other (lower level) courses. So if you come into a lower level course you can pick it up from scratch on its own but with higher level courses you have to have a good understanding of the concepts in all of its dependent courses. For example if you are taking a course in Algebraic Geometry you will need to be familiar with topology, analysis, algebra etc. So check the prerequisites for the higher level courses that you are not doing so well at and check that you have done and understood all of them.

On books I find reading a book that gives motivation and historical background at the same time as the set textbook can help a lot in getting the big picture. And this gives a structure to hang the details of definitions, theorems and proofs from your main textbook. For example I found RBJT Allenby's "Rings, Fields and Groups" much more motivating than Birkoff and MacLane's "Algebra" because Allenby gives motivation for all the abstract definitions with examples and the historical development of the subject.

On study habits I find it hard to take in new math ideas if I am not getting enough sleep or eating well. And for me there is a definite time limit of the amount of studying I can do effectively before I need a break. Explaining a new concept or proof to someone else (either real or imaginary) "over the phone" ie verbally can be a good way to see if you really understand something.

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If you have always thought of your role in math as that of a calculator, then this is the point where that view of math fails. No wonder so many students think math skills are irrelevant to life. Unfortunately, or fortunately, depending on if you are at it to learn something or if you want a piece of paper that lets you go to work, you will now need to learn to think abstractly in terms of solving problems. This is a good thing in my opinion; suddenly math will become relevant and related to everything else in life. The thought "I can just grab a calculator for this, so I don't need to learn it, or spend any mental energy on it, suddenly becomes obsolete."

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