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Mathematics Stack Exchange

Questions tagged [advice]

Questions asking for advice on various mathematical matters. Be careful that your question is answerable, and also that it is not a polling question (e.g. "What is the best / your favorite way to...").

Questions asking for advice on various mathematical matters. Be careful that your question is answerable, and also that it is not a polling question (e.g. "What is the best / your favorite way to...").

917 questions
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Is It Hopeless for Me to Try to Understand the Derivations of All Formulas I Use?

Recently, I've been doing some relatively more advanced math (multivariable and vector calculus) and the derivations of formulas are becoming increasingly complicated. I don't like using a formula if I don't understand why it works and where it…
John Doe
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Math Lesson Name

I live in a developing country and the education systems in my country is not very good. I'm studying in second year of high school and I always wanted to improve my math and others skills so I learn online in my free time. I learned lots of things…
Flash KMG
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Is 117 something like a magic number?

Why is it that if you add the last 2 digits of your birth year + your age or the age you will become on any particular year it always adds up to 117? For example, I was born in 1975 and turned 42 this year so: 75+42=117 My dad was born on 1947 and…
Alex
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How to study vectors and 3D geometry

It may be too broad or also offtopic question but I really want to know how to study vectors and 3D geometry. My interest in these topics is very low thus want to gain some .Any suggestions or names of websites providing interactive examples to…
Archis Welankar
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Is this mathmatically correct?

There is a facebook post that says the entire population of the planet could live in 2000 square foot houses just in the state of Alaska. Some research shows that there are roughly 1585682383 households on the planet. Alaska is 663,300 mi². I dont…
user382568
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Finding Burton's elementery number theory tough, any lower level book suggestion

I am studying number theory from David Burton's book elementary analysis and second chapter on primes, in that exercise I had no idea how to start attempting questions on primes. The first chapter was ok though. Am I doing something wrong here ? …
Olivia
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I need help understanding the quotient of an equivalence relation

I understand it in theory,but not in practice So here is the exampl LetA={a,b,c,d,e,f} G,H be equivalence relation in A 3.G=$1_a$ $\cup$ {(a,b),(b,a),(b,c),(c,b),(a,c), (c,a),(d,e),(e,d)} H=$1_a$ $\cup$ {(b,c),(c,b)} Find A/G Here is my…
user798589
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Question on separable metric spaces and how to do them

I have seen some questions and seen some idea. I am new to this topic and still find it confusing. I am kind of looking for a “algorithm “ to do them. I am using Sets & Metric spaces by Kaplansky Section 5.2 pgs 94-96,1977 printing My…
user748810
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Mathematics without coordinate systems

Suppose that a) I understand mathematics to the level of e.g. Rudin's "Principles of mathematical analysis" b) I want to completely expel "coordinate systems" and the resulting "analytic geometry" from my mind, and rebuild my knowledge and expand…
exp8j
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Advice: Which book/topic should I take first: Set Theory or Abstract algebra.

Some background about me. I study on my own and I am not a math major but I am interested in math. I am not even sure if I am mathematically mature enough to handle the 2 topics but I have read a few books. Books I have read and finished:…
tighten
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Creating a math "loop"

Forgive me if I'm asking this question incorrectly, but I think I've hit the end of my mathematics knowledge on this one. I'm trying to create an equation for video games that takes the desired jump height and desired time spent in air, and returns…
Ec Little
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How to stay mathematically sharp during a engineering gap year

I am on a gap year due to financial reasons but my question is how to stay active during the gap year. I fear that I would lose all the momentum and fail my first year. I will be studying engineering at a top british university(Either of Oxbridge).…
Newton ion
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Have PhD students/graduates solved all of their undergraduate textbook problems?

My friend is telling me that people who get their PhD's in math have solved almost every problem in their undergraduate textbooks. I find this hard to believe. Either every PhD graduate is infinitely better at life than me, or this is a tall tale.…
Pareod
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Topics in Algebra - Advice for Seminar

I have a seminar in Algebra next week, and I need to lecture. The professor gave us the freedom to choose a subject and I need suggestions. I have taken a course on group theory and a course on Galois theory. Although a lot of people love Galois…
Charles Carmichael
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Problem solving ability

Have a nice day. Please write serious answer. :) I have a problem and reduce my motivation. problems as follows; I am learning math is really very fast. I can read few books only one day. I understand the issues very quickly. example, I read the…
Rieendstac
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