3 math classes at the same time?

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Discussion Overview

The discussion revolves around the feasibility of taking three math classes simultaneously in the upcoming fall semester: Number Theory, Ordinary Differential Equations (ODE), and Introduction to Real Analysis. Participants explore the compatibility of these courses, the expected homework load, and the necessary background knowledge for success.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification
  • Mathematical reasoning

Main Points Raised

  • One participant expresses concern about the potential homework load from taking all three classes together, despite having a background in Linear Algebra and Calculus.
  • Another participant argues that Number Theory and Real Analysis do not significantly complement each other, although a basic familiarity with ODEs might be helpful for Real Analysis.
  • A different viewpoint suggests that Number Theory focuses on proof-writing skills, which may be challenging for those without prior experience in formal proofs.
  • Several participants share their experiences with ODEs, describing them as relatively easy, particularly if the course is application-focused rather than theoretical.
  • One participant notes that a background in analysis could be beneficial for tackling more advanced topics like Partial Differential Equations (PDEs).
  • Another participant mentions that the workload for the three courses might not be excessive if assignments are standard, but this is subjective and dependent on the professors' expectations.
  • One participant highlights the relevance of Number Theory in applications like cryptography and suggests that Real Analysis aids in understanding mathematical foundations.
  • A later reply emphasizes the importance of having some experience with proofs before enrolling in Analysis and Number Theory.

Areas of Agreement / Disagreement

Participants express a range of opinions regarding the compatibility of the courses and the expected workload. There is no consensus on whether taking all three classes simultaneously is advisable, as some believe it is manageable while others raise concerns about the challenges involved.

Contextual Notes

Participants note varying experiences with the difficulty of ODEs and the importance of prior knowledge in proofs, which may affect individual readiness for the courses. The discussion reflects differing perspectives on the relationship between the courses and the potential impact of teaching styles on workload.

Who May Find This Useful

Students considering a heavy course load in mathematics, particularly those interested in Number Theory, ODEs, and Real Analysis, may find this discussion relevant.

mgiddy911
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would it be a bad idea to take these three math classes together for next fall semester (Fall 'o7)

Number Theory
Ordinary Differential Equations
Introduction to Real Analysis

I have heard good things about every one of the teachers, So I cam confident the teaching will be good.

My thought was that number theory will go well with real analysis

I'm just afraid the homework load may be too much.

I have taken Linear Algebra already, and calc 1-3 so I have some minimal knowledge of Diff Eq already from linear algebra, calc 2, and my physics classes

what are your thoughts
 
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Number theory will have nothing to do with real analysis. In fact, I don't think any two of those courses will complement each other in any significant way, nor will any two conflict with each other (I can't imagine how a course would conflict with another anyways). Also, none of those courses are prerequisites for either of the other two, although depending on what is covered during real analysis, it might be slightly helpful to have a very basic familiarity with the theory of ODE's. However, the minimal knowledge you claim to have already is probably close enough.

And it's entirely absurd to ask whether the homework load will be too much, it all depends on the teachers and how much homework they give.
 
I don't know, it seemed to me when I took number theory, that really it was more of a class on how to write good proofs - the actual "number theory" part is in some sense really easy and straightforward. The hard part of the class was learning how to use all the theorems and lemmas and such to prove interesting facts about numbers. Of course, it depends entirely on how the course is taught where you go.

Also, this probably doesn't matter, but it might be worth considering whether the ODE's course is the kind that engineers/scientists take (primarily applications) or if it's more mathematical (proving existence/uniqueness, formal methods, etc)

you should contact your professors, though, because they will know best how rigorous and heavy these courses are. Plus, it depends a lot on how heavy a load you're able to bear, personally- some people can manage 6 classes per semester, others top out at 4.
 
I know for a fact that you're not British, so why are you saying "maths?" :biggrin:

From what I recall of my own ODE class, it was really easy. Really easy. It might be different at your school, but I wouldn't think that it would take that much time, because the subject matter isn't all that difficult. As for the other two, even though I've studied the material, I can't say that I've taken the classes.
 
My ODE class was for engineers and was super easy as well in my opinion. Just know how to integrate well and memorize a few things and your set.
 
I also found ODEs to be really easy, but am now taking PDEs and it is very challenging - though enjoyable nonetheless. I feel a background in analysis (which I do not have) would actually really help with PDEs, especially in dealing with Fourier series and issues of convergence.
 
Interestingly enough, more advanced real analysis jogs well with PDE's. Once you start dabbering around in Lebesgue's theory of integration, you move on to explaining Lp spaces, where the L2 space (Hilbert space) is the natural environment for Fourier series... a normal topic in PDE's.

It's nice knowing some of the background behind the things you do in applied math and physics (i.e. quantum mechanics and it's formalization to Hilbert space).

Like everyone has been saying, an intro course to ODE's is usually cakewalk. Nothing is overly hard to understand and can be learned quickly.

Lastly, the workload for those 3 courses combined doesn't seem like it'd be outrageous if it's the standard one assignment per week/midterm/final. I guess it depends on what your definition of outrageous is... and probably how the prof gauges work load.
 
mgiddy911 said:
would it be a bad idea to take these three math classes together for next fall semester (Fall 'o7)

Number Theory
Ordinary Differential Equations
Introduction to Real Analysis

I have heard good things about every one of the teachers, So I cam confident the teaching will be good.

My thought was that number theory will go well with real analysis

I'm just afraid the homework load may be too much.

I have taken Linear Algebra already, and calc 1-3 so I have some minimal knowledge of Diff Eq already from linear algebra, calc 2, and my physics classes

what are your thoughts

Stupid question, but, what grade are u in? I mean are u a sophomore, senior or? Just curious, to know..
 
if you planned to do any applied science or simulations science, ODE is a must...
number theory is really fun with apps in cryptography
analysis...well it woulc complement understanding of how math is built. But you could always learn it on your own.
 
  • #10
If you have never done proofs before then you might have a tough time. I would recommend learning a little about proving things before you enter Analysis and Number Theory.

This thread has some online resources for learning how to write proofs: https://www.physicsforums.com/showthread.php?t=166996
 
  • #11
Thanks for the responses, I am going to be a sophomore in college next year, this year I took Multi-variable Calculus (Calc 3) and Linear Algebra. The only real background I have in proofs comes from possibly high school geometry and my Linear Algebra class I just took. Unfortunately My Lin Alg class didn't focus much on formal proofs.
 

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